What is GHSA-g2g3-rvm3-h345?

GHSA-g2g3-rvm3-h345 is a security advisory published by GitHub Security Advisories with Critical severity. A numeric truncation error vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0...

Which CVE IDs does GHSA-g2g3-rvm3-h345 cover?

GHSA-g2g3-rvm3-h345 covers the following CVE IDs: CVE-2026-126254. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g2g3-rvm3-h345?

GHSA-g2g3-rvm3-h345 has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-g2g3-rvm3-h345CriticalCVSS 9.6

A numeric truncation error vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-126254 →

📋 Description

A numeric truncation error vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, 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 a configured ibgp neighbor to send malicious/malformed attributes to all connected routers via a specially crafted request

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-126254
https://fortiguard.fortinet.com/psirt/FG-IR-26-268
https://github.com/advisories/GHSA-g2g3-rvm3-h345