CVE-2026-126246
A null pointer dereference vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3,...
CVE-2026-126246 is a high vulnerability (CVSS 7.5) in Fortinet Fortiauthenticator, published November 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 3.1, CVE List
- Exploit chance
- 0.34%EPSS, 27th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
A null pointer dereference vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform a denial of service attack via http requests.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
A null pointer dereference vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform a denial of service attack via http requests.
- Record
CVE-2026-126246- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C - Weakness
- CWE-476
- Updated
- 2026-11-11
EUVDEUVD-2026-123892
A null pointer dereference vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform a denial of service attack via http requests.
- Record
EUVD-2026-123892- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C - Updated
- 2026-11-12
GitHub AdvisoriesGHSA-jg7g-j6rv-9xr9
A null pointer dereference vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3,...
A null pointer dereference vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform a denial of service attack via http requests.
- Record
GHSA-jg7g-j6rv-9xr9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-12
NVD
A null pointer dereference vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform a denial of service attack via http requests.
- Record
CVE-2026-126246- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-11
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD | |
| aliases, references, title | GitHub Advisories, NVD | |
| cwes, severity | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.