What is GHSA-4766-2fhj-r6g2?

GHSA-4766-2fhj-r6g2 is a security advisory published by GitHub Security Advisories with High severity. An external control of file path vulnerability in a WatchGuard Fireware OS firewall diagnostic...

Which CVE IDs does GHSA-4766-2fhj-r6g2 cover?

GHSA-4766-2fhj-r6g2 covers the following CVE IDs: CVE-2026-90464. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-4766-2fhj-r6g2High

An external control of file path vulnerability in a WatchGuard Fireware OS firewall diagnostic...

Vendor

GitHub Security Advisories

Published

October 27, 2026

Last Modified

October 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-90464 →

📋 Description

An external control of file path vulnerability in a WatchGuard Fireware OS firewall diagnostic command allows a remote, authenticated attacker with at least read-only (Device Monitor) privileges and access to the management CLI to create, truncate, or overwrite arbitrary files and modify kernel parameters with root privileges by submitting a specially crafted command. Written content is limited to numeric values.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-90464
https://psirt.watchguard.com/CVE-2026-90464
https://github.com/advisories/GHSA-4766-2fhj-r6g2