What is GHSA-g944-9gh9-2wqp?

GHSA-g944-9gh9-2wqp is a security advisory published by GitHub Security Advisories with Critical severity. An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard...

Which CVE IDs does GHSA-g944-9gh9-2wqp cover?

GHSA-g944-9gh9-2wqp covers the following CVE IDs: CVE-2026-93866. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-g944-9gh9-2wqpCritical

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard...

Vendor

GitHub Security Advisories

Published

October 27, 2026

Last Modified

October 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-93866 →

📋 Description

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-93866
https://psirt.watchguard.com/CVE-2026-93866
https://github.com/advisories/GHSA-g944-9gh9-2wqp