GHSA-237f-p9h6-wq4rHighCVSS 8.6

The labeled-response module in UnrealIRCd 6.0.0 before 6.2.7.1 does not escape the IRCv3 "label"...

Published
November 8, 2026
Last Modified
November 8, 2026

🔗 CVE IDs covered (1)

📋 Description

The labeled-response module in UnrealIRCd 6.0.0 before 6.2.7.1 does not escape the IRCv3 "label" message tag when echoing it into replies, which allows any user on a network with two or more linked servers to inject server-to-server commands that are executed with server authority.

🔗 References (5)