What is GHSA-jfjj-gm3c-hf2p?

GHSA-jfjj-gm3c-hf2p is a security advisory published by GitHub Security Advisories with Critical severity. A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0...

Which CVE IDs does GHSA-jfjj-gm3c-hf2p cover?

GHSA-jfjj-gm3c-hf2p covers the following CVE IDs: CVE-2026-126156. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jfjj-gm3c-hf2p?

GHSA-jfjj-gm3c-hf2p has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-jfjj-gm3c-hf2pCriticalCVSS 9.1

A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-126156 →

📋 Description

A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an unauthenticated remote attacker to take over an arbitrary IBE recipient account via crafted HTTP requests.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-126156
https://fortiguard.fortinet.com/psirt/FG-IR-26-208
https://github.com/advisories/GHSA-jfjj-gm3c-hf2p