What is GHSA-fhvg-p495-phcg?

GHSA-fhvg-p495-phcg is a security advisory published by GitHub Security Advisories with High severity. A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process...

Which CVE IDs does GHSA-fhvg-p495-phcg cover?

GHSA-fhvg-p495-phcg covers the following CVE IDs: CVE-2026-86134. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-fhvg-p495-phcgHigh

A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process...

Vendor

GitHub Security Advisories

Published

September 30, 2026

Last Modified

September 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-86134 →

📋 Description

A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process allows a remote, unauthenticated attacker to crash the management daemon by sending a specially request to the login interface, resulting in a denial of service.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-86134
https://psirt.watchguard.com/CVE-2026-86134
https://github.com/advisories/GHSA-fhvg-p495-phcg