What is GHSA-f563-j7vj-6j8f?

GHSA-f563-j7vj-6j8f is a security advisory published by GitHub Security Advisories with Critical severity. The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied...

Which CVE IDs does GHSA-f563-j7vj-6j8f cover?

GHSA-f563-j7vj-6j8f covers the following CVE IDs: CVE-2026-65184. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f563-j7vj-6j8f?

GHSA-f563-j7vj-6j8f has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-f563-j7vj-6j8fCriticalCVSS 9.8

The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied...

Vendor

GitHub Security Advisories

Published

October 26, 2026

Last Modified

October 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-65184 →

📋 Description

The root-privileged wsserver terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to system() and popen() without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-65184
https://www.runzero.com/advisories/avocent-acs8000-wsserver-cmdinj-cve-2026-65184
https://www.runzero.com/blog/lights-out-exposed
https://github.com/advisories/GHSA-f563-j7vj-6j8f