CVE-2026-126230 Memory corruption in FortiAnalyzer
An authenticated administrator can exploit a format string flaw in FortiAnalyzer and FortiManager to execute code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-126230?
CVE-2026-126230 is a high-severity memory corruption vulnerability in Fortinet FortiAnalyzer, published on 11 Nov 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A use of externally-controlled format string vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer 7.2.0 through 7.2.12, FortiAnalyzer Cloud 8.0.0 through 8.0.1, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiAnalyzer Cloud 7.2.1 through 7.2.12, FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2.0 through 7.2.12, FortiManager Cloud 8.0.0 through 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11, FortiManager Cloud 7.2.1 through 7.2.12 may allow an authenticated administrator to execute unauthorized code or commands or cause a denial of service via specially crafted requests.
Weakness: CWE-134
Which versions are affected by CVE-2026-126230?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126230?
No fix has been published for CVE-2026-126230 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-126230 being exploited?
There is no known exploitation of CVE-2026-126230 in the wild and no public exploit code.
Sources
Also known as GHSA-cxcj-cc9x-hccq.