What is GHSA-f2f6-qwmc-g833?

GHSA-f2f6-qwmc-g833 is a security advisory published by GitHub Security Advisories with Critical severity. A missing authentication for critical function vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7...

Which CVE IDs does GHSA-f2f6-qwmc-g833 cover?

GHSA-f2f6-qwmc-g833 covers the following CVE IDs: CVE-2026-126259. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f2f6-qwmc-g833?

GHSA-f2f6-qwmc-g833 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-f2f6-qwmc-g833CriticalCVSS 9.8

A missing authentication for critical function vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-126259 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-126259
https://fortiguard.fortinet.com/psirt/FG-IR-26-273
https://github.com/advisories/GHSA-f2f6-qwmc-g833