CVE-2026-114713

HighCVSS 8.6/10Last modified Nov 13, 2026

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.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Weakness enumeration

CWE-140

Affected software

VendorProductVersions
UnrealIRCdUnrealIRCd< 6.2.7.1

References

Timeline

Published
Nov 8, 2026
Last modified
Nov 13, 2026
NVD status
Deferred

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CVE-2026-114713: High severity, CVSS 8.6 | Vulnix