What is GHSA-v6gq-6xjh-32cg?

GHSA-v6gq-6xjh-32cg is a security advisory published by GitHub Security Advisories with High severity. A stack-based buffer overflow vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3,...

Which CVE IDs does GHSA-v6gq-6xjh-32cg cover?

GHSA-v6gq-6xjh-32cg covers the following CVE IDs: CVE-2026-126239. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v6gq-6xjh-32cg?

GHSA-v6gq-6xjh-32cg has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-v6gq-6xjh-32cgHighCVSS 7.5

A stack-based buffer overflow vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3,...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-126239 →

📋 Description

A stack-based buffer overflow 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 crash the FSSO subsystem via crafted http requests

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-126239
https://fortiguard.fortinet.com/psirt/FG-IR-26-254
https://github.com/advisories/GHSA-v6gq-6xjh-32cg