Vulnerability in Unrealircd
CVE-2026-114713
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-114713?
- CVE-2026-114713 is a high-severity vulnerability in Unrealircd, classified under CWE-140. CVSS score: 8.6/10. Published 2026-11-08.
- How severe is CVE-2026-114713?
- High severity. CVSS v3 base score is 8.6 out of 10.