CVE-2026-126259NVD
Vulnerability Summary
Missing authentication for critical function in FortiOS
CVSS v3.1 Base Metrics — Score 9.0 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- FortiOS 8.0.0
- FortiOS >=7.6.0, <=7.6.7
- FortiOS >=7.4.0, <=7.4.12
- FortiOS >=7.2.0, <=7.2.13
- FortiOS 8.0: Upgrade to 8.0.1 or above FortiOS 7.6: Upgrade to upcoming 7.6.8 or above FortiOS 7.4: Upgrade to upcoming 7.4.13 or above FortiOS 7.2: Upgrade to upcoming 7.2.14 or above
- A virtual patch is available. FortiGuard IPS signature package: Virtual Patch named "FG-VD-61445.0day." is available in FMWP db update 26.082