Vulnerability details
CVE-2026-126259
Fortinet FortiOS
CVSS 3.1
9.0Critical
Remedy
Remedy in the CVE record (record published by: fortinet)
Upgrade to FortiOS version 8.0.1 or above Upgrade to FortiOS version 7.6.8 or above Upgrade to FortiOS version 7.4.13 or above Upgrade to FortiOS version 7.2.14 or above
Official description
A missing authentication for critical function vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow an unauthenticated attacker with HA FGSP + standalone-config-sync, or autoscale to execute command as super admin via crafted HA packets.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.0Critical | 3.1 | CVEProject cvelistV5 (CNA) (fortinet) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Fortinet | FortiOS | 8.0.0 | CVEProject cvelistV5 (CNA) |
| Fortinet | FortiOS | 7.0.0 ≤ v ≤ 7.0.19 | CVEProject cvelistV5 (CNA) |
| Fortinet | FortiOS | 7.2.0 ≤ v ≤ 7.2.13 | CVEProject cvelistV5 (CNA) |
| Fortinet | FortiOS | 7.4.0 ≤ v ≤ 7.4.12 | CVEProject cvelistV5 (CNA) |
| Fortinet | FortiOS | 7.6.0 ≤ v ≤ 7.6.7 | CVEProject cvelistV5 (CNA) |
References and advisories
1
Kolun on Telegram @kolunsec
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Details
- Published
- 2026-11-12
- Last updated
- 2026-11-12
- State
- Published
- Assigner (CNA)
- fortinet
- Kolun priority
- 24 · Low
Exploit prediction (EPSS)
No EPSS score has been published for this CVE yet.
Weaknesses (CWE)
- CWE-306Execute unauthorized code or commands