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Security Advisory; NCSC-2026-0355 [1.0.0]
- Security Advisory
- NCSC-2026-0355 [1.0.0]
- Publicatie
- 09-09-2026 12:40 (Europe/Amsterdam)
- Prioriteit
- Normaal
- Betreft
- Kwetsbaarheden verholpen in Fortinet Forti-producten
Kenmerken
- Improper Neutralization of Special Elements used in a Command ('Command Injection')
- Unverified Ownership
- Improper Validation of Certificate with Host Mismatch
- Use of Uninitialized Variable
- NULL Pointer Dereference
- Inclusion of Sensitive Information in Source Code
- URL Redirection to Untrusted Site ('Open Redirect')
Omschrijving
Fortinet heeft kwetsbaarheden verholpen in FortiAnalyzer, FortiOS, FortiPAM, FortiProxy, FortiSandbox, FortiManager, FortiManager Cloud, FortiMonitorOnSight, FortiClient Windows, FortiSIEM en FortiSOAR.
De kwetsbaarheden betreffen verschillende typen fouten in meerdere Fortinet-producten.
De ernstigste kwetsbaarheid met kenmerk CVE-2026-26084 heeft een CVSS-score van 8,9. Het betreft een autorisatiekwetsbaarheid in Fortinet FortiSandbox waardoor een ongeauthenticeerde kwaadwillende via speciaal vervaardigde HTTP-verzoeken toegang kan krijgen tot gevoelige informatie. De kwetsbaarheid vereist geen gebruikersinteractie en kan via het netwerk worden misbruikt.
Oplossingen
Fortinet heeft updates uitgebracht om de kwetsbaarheden in FortiOS, FortiPAM , FortiProxy, FortiAnalyser, FortiSandbox, FortiMonitor en FortiManager te verhelpen. Zie bijgevoegde referenties voor meer informatie.
Referenties
- https://fortiguard.fortinet.com/psirt/FG-IR-26-164
- https://fortiguard.fortinet.com/psirt/FG-IR-26-165
- https://fortiguard.fortinet.com/psirt/FG-IR-26-166
- https://fortiguard.fortinet.com/psirt/FG-IR-26-167
- https://fortiguard.fortinet.com/psirt/FG-IR-26-169
- https://fortiguard.fortinet.com/psirt/FG-IR-26-170
- https://fortiguard.fortinet.com/psirt/FG-IR-26-171
- https://fortiguard.fortinet.com/psirt/FG-IR-26-172
- https://fortiguard.fortinet.com/psirt/FG-IR-26-173
- https://fortiguard.fortinet.com/psirt/FG-IR-26-174
CVE's
- CVE-2026-84391 - CVSS (v3) 6.5
- CVE-2026-84392 - CVSS (v3) 2.7
- CVE-2026-26084 - CVSS (v3) 9.9
- CVE-2026-84387 - CVSS (v3) 7.2
- CVE-2026-22575 - CVSS (v3) 4.9
- CVE-2026-84393 - CVSS (v3) 8.1
- CVE-2026-84390 - CVSS (v3) 9.8
- CVE-2026-84386 - CVSS (v3) 5.1
- CVE-2026-84389 - CVSS (v3) 3.1
- CVE-2026-84385 - CVSS (v3) 5.4
Producten
Fortinet
fortinet
Disclaimer
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: 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. 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. 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.