{ "document": { "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "nl", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." }, { "category": "description", "text": "Cisco heeft meerdere kwetsbaarheden verholpen in Cisco Expressway Series.", "title": "Feiten" }, { "category": "description", "text": "De kwetsbaarheden betreffen onder andere onvoldoende autorisatiecontroles tijdens Mobile en Remote Access provisioning, waardoor ongeauthenticeerde externe aanvallers toegang kunnen krijgen tot gevoelige informatie. Daarnaast is er een kwetsbaarheid in de databaseservice die het mogelijk maakt voor ongeauthenticeerde aanvallers met netwerktoegang om root-commando's uit te voeren via onvoldoende validatie van clientcertificaten bij TLS Verify Mode voor clustering.\n\nVerder zijn er diverse kwetsbaarheden geïdentificeerd door interne security reviews, waaronder problemen met improper resource control, authenticatie, input validatie, SQL-injectie, access control, pathname limitation, exception handling, out-of-bounds write, reachable assertions, null pointer dereference, uncaught exceptions, code injection, incorrect permission assignments, improper link resolutions en insecure handling of temporary files. Deze kwetsbaarheden kunnen leiden tot het omzeilen van toegangscontroles, het uitvoeren van ongeautoriseerde code, het verkrijgen van root-toegang en het blootstellen van gevoelige data. De kwetsbaarheden zijn intern ontdekt en worden aangepakt met software hardening updates.", "title": "Interpretaties" }, { "category": "description", "text": "Cisco heeft software hardening updates uitgebracht om de diverse kwetsbaarheden in Cisco Expressway Series te verhelpen. Zie bijgevoegde referenties voor meer informatie.", "title": "Oplossingen" }, { "category": "general", "text": "medium", "title": "Kans" }, { "category": "general", "text": "high", "title": "Schade" }, { "category": "general", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "general", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "general", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "general", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "general", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "general", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "general", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "general", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "general", "text": "Exposure of Sensitive System Information to an Unauthorized Control Sphere", "title": "CWE-497" }, { "category": "general", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "general", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "general", "text": "Exposed Dangerous Method or Function", "title": "CWE-749" }, { "category": "general", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "general", "text": "Use of Hard-coded Credentials", "title": "CWE-798" } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "Nationaal Cyber Security Centrum", "namespace": "https://www.ncsc.nl/" }, "references": [ { "category": "external", "summary": "Reference", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-access-PW9e8Jt2" }, { "category": "external", "summary": "Reference", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-inf-disc-vvYqgSTS" }, { "category": "external", "summary": "Reference", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-exwy-hardening-FhcqBVcs" }, { "category": "external", "summary": "Reference", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-QGwHnJ6k" }, { "category": "external", "summary": "Reference", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vcs-static-cred-hr7EWZ8t" }, { "category": "external", "summary": "Reference", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3" } ], "title": "Kwetsbaarheden verholpen in Cisco Expressway Series", "tracking": { "current_release_date": "2026-10-22T12:09:18.587970Z", "generator": { "date": "2025-08-04T16:30:00Z", "engine": { "name": "V.A.", "version": "1.3" } }, "id": "NCSC-2026-0451", "initial_release_date": "2026-10-22T12:09:18.587970Z", "revision_history": [ { "date": "2026-10-22T12:09:18.587970Z", "number": "1.0.0", "summary": "Initiele versie" } ], "status": "final", "version": "1.0.0" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/*", "product": { "name": "vers:unknown/*", "product_id": "CSAFPID-1" } } ], "category": "product_name", "name": "Cisco Unified Communications Manager" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/*", "product": { "name": "vers:unknown/*", "product_id": "CSAFPID-2" } } ], "category": "product_name", "name": "Expressway" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/*", "product": { "name": "vers:unknown/*", "product_id": "CSAFPID-3" } } ], "category": "product_name", "name": "Expressway Series" } ], "category": "vendor", "name": "Cisco" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-76435", "cwe": { "id": "CWE-497", "name": "Exposure of Sensitive System Information to an Unauthorized Control Sphere" }, "notes": [ { "category": "other", "text": "Exposure of Sensitive System Information to an Unauthorized Control Sphere", "title": "CWE-497" }, { "category": "description", "text": "A vulnerability in Cisco Expressway Series allows unauthenticated remote attackers to bypass authorization checks during Mobile and Remote Access provisioning, enabling them to access sensitive device information.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76435 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76435.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76435" }, { "cve": "CVE-2026-76466", "cwe": { "id": "CWE-798", "name": "Use of Hard-coded Credentials" }, "notes": [ { "category": "other", "text": "Use of Hard-coded Credentials", "title": "CWE-798" }, { "category": "description", "text": "A vulnerability in Cisco Expressway Series database service allows unauthenticated remote attackers with network access to execute arbitrary root commands due to persistent cookies and insufficient client certificate validation when TLS Verify Mode is enabled for clustering.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76466 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76466.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76466" }, { "cve": "CVE-2026-76473", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "description", "text": "Cisco's engineering teams performed an internal security review of multiple collaboration products, resulting in software hardening releases addressing vulnerabilities related to improper resource control, including CVE-2026-76473 and CWE-74.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76473 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76473.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76473" }, { "cve": "CVE-2026-76474", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "description", "text": "Cisco engineering teams conducted an internal security review of multiple collaboration products, releasing software updates to address several authentication-related vulnerabilities including CVE-2026-76474 (CWE-287).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76474 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76474.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76474" }, { "cve": "CVE-2026-76475", "cwe": { "id": "CWE-79", "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" }, "notes": [ { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "description", "text": "Cisco engineering teams performed an internal security review of multiple collaboration products, releasing software updates to address several vulnerabilities involving improper input neutralization during web page generation (CVE-2026-76475, CWE-79).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76475 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76475.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "baseScore": 9.3, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76475" }, { "cve": "CVE-2026-76476", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "description", "text": "Cisco engineering teams released software hardening updates for multiple collaboration products addressing several CWE-20 improper input validation vulnerabilities, including CVE-2026-76476.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76476 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76476.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76476" }, { "cve": "CVE-2026-76477", "cwe": { "id": "CWE-89", "name": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')" }, "notes": [ { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "description", "text": "Cisco engineering teams identified and addressed multiple SQL injection vulnerabilities (CWE-89) in several collaboration products through internal security reviews and subsequent software updates.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76477 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76477.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76477" }, { "cve": "CVE-2026-76478", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "description", "text": "Cisco's engineering teams conducted a thorough internal security review of multiple collaboration and communication products, resulting in software hardening releases addressing several improper access control vulnerabilities, including CVE-2026-76478 (CWE-284).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76478 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76478.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76478" }, { "cve": "CVE-2026-76479", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "description", "text": "Cisco engineering teams conducted an internal security review of multiple collaboration products, releasing software updates to address several vulnerabilities including improper pathname limitation (CVE-2026-76479, CWE-22).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76479 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76479.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76479" }, { "cve": "CVE-2026-76481", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "other", "text": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "title": "CWE-22" }, { "category": "other", "text": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "title": "CWE-79" }, { "category": "other", "text": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "title": "CWE-89" }, { "category": "description", "text": "Cisco engineering teams performed an internal security review of multiple collaboration products, releasing software updates that address several vulnerabilities related to improper handling of exceptional conditions, including CVE-2026-76481 (CWE-703).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76481 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76481.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76481" }, { "cve": "CVE-2026-76487", "cwe": { "id": "CWE-749", "name": "Exposed Dangerous Method or Function" }, "notes": [ { "category": "other", "text": "Exposed Dangerous Method or Function", "title": "CWE-749" }, { "category": "description", "text": "A vulnerability in Cisco Unified Communications Manager and its Session Management Edition allows an unauthenticated remote attacker to bypass access controls by sending crafted HTTP requests, potentially gaining unauthorized network access.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76487 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76487.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76487" }, { "cve": "CVE-2026-76490", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "description", "text": "Cisco's Expressway Series team conducted an internal security review resulting in software hardening releases that address multiple vulnerabilities, including out-of-bounds write issues (CVE-2026-76490, CWE-787).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76490 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76490.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "baseScore": 8.6, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76490" }, { "cve": "CVE-2026-76491", "cwe": { "id": "CWE-617", "name": "Reachable Assertion" }, "notes": [ { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "description", "text": "Cisco's Expressway Series team released a software hardening update addressing multiple internally discovered vulnerabilities, including CVE-2026-76491 related to reachable assertions under CWE-617.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76491 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76491.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76491" }, { "cve": "CVE-2026-76492", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "notes": [ { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "description", "text": "Cisco's Expressway Series software team released a hardening update addressing multiple internally discovered vulnerabilities, including null pointer issues tracked under CVE-2026-76492 and CWE-476.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76492 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76492.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76492" }, { "cve": "CVE-2026-76493", "cwe": { "id": "CWE-248", "name": "Uncaught Exception" }, "notes": [ { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "description", "text": "Cisco's Expressway Series team conducted an internal security review resulting in software hardening releases that address multiple vulnerabilities, including uncaught exceptions classified under CWE-248 and tracked by CVE-2026-76493.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76493 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76493.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76493" }, { "cve": "CVE-2026-76494", "cwe": { "id": "CWE-94", "name": "Improper Control of Generation of Code ('Code Injection')" }, "notes": [ { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "description", "text": "Cisco's Expressway Series team released software hardening updates addressing multiple internally discovered vulnerabilities, including code injection flaws classified under CWE-94 and tracked as CVE-2026-76494.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76494 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76494.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76494" }, { "cve": "CVE-2026-76495", "cwe": { "id": "CWE-732", "name": "Incorrect Permission Assignment for Critical Resource" }, "notes": [ { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "description", "text": "Cisco's Expressway Series team conducted an internal security review resulting in software hardening releases that address multiple vulnerabilities, including incorrect permission assignments (CVE-2026-76495, CWE-732).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76495 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76495.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76495" }, { "cve": "CVE-2026-76496", "cwe": { "id": "CWE-59", "name": "Improper Link Resolution Before File Access ('Link Following')" }, "notes": [ { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "description", "text": "Cisco's Expressway Series team conducted an internal security review resulting in software hardening releases that address multiple vulnerabilities related to improper link resolutions, including CVE-2026-76496 classified under CWE-59.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76496 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76496.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76496" }, { "cve": "CVE-2026-76497", "cwe": { "id": "CWE-377", "name": "Insecure Temporary File" }, "notes": [ { "category": "other", "text": "Insecure Temporary File", "title": "CWE-377" }, { "category": "other", "text": "NULL Pointer Dereference", "title": "CWE-476" }, { "category": "other", "text": "Improper Link Resolution Before File Access ('Link Following')", "title": "CWE-59" }, { "category": "other", "text": "Reachable Assertion", "title": "CWE-617" }, { "category": "other", "text": "Incorrect Permission Assignment for Critical Resource", "title": "CWE-732" }, { "category": "other", "text": "Out-of-bounds Write", "title": "CWE-787" }, { "category": "other", "text": "Uncaught Exception", "title": "CWE-248" }, { "category": "other", "text": "Improper Control of Generation of Code ('Code Injection')", "title": "CWE-94" }, { "category": "description", "text": "Cisco's Expressway Series team conducted an internal security review resulting in software hardening releases that address multiple vulnerabilities, including insecure temporary file handling (CVE-2026-76497, CWE-377).", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] }, "references": [ { "category": "self", "summary": "CVE-2026-76497 | NCSC-NL Website", "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-76497.json" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H", "baseScore": 6.6, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1", "CSAFPID-2", "CSAFPID-3" ] } ], "title": "CVE-2026-76497" } ] }