CVE-2026-114713
HIGH CISA KEV
ACT NOW
Priority: 0.03
BB Relevance:
77/100
Published: 2026-11-08
Modified: 2026-11-14
First seen: 2026-11-08
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Integ. Impact
Scope Change
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Changed
C:
None
I:
High
A:
None
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.
CISA Known Exploited Vulnerability
Vendor / Product
UnrealIRCd — UnrealIRCd
Date Added
2026-11-13
Remediation Due
2026-11-16
https://forums.unrealircd.org/viewtopic.php?t=9487 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-114713
Weakness Classification (1)
Affected Software (7)
| Vendor | Product | Version |
|---|---|---|
| UnrealIRCd | UnrealIRCd | 0 < 6.2.7.1 |
| UnrealIRCd | UnrealIRCd | 0 < 6.2.7.1 |
| UnrealIRCd | UnrealIRCd | 0 < 6.2.7.1 |
| UnrealIRCd | UnrealIRCd | 0 < 6.2.7.1 |
| UnrealIRCd | UnrealIRCd | 0 < 6.2.7.1 |
| UnrealIRCd | UnrealIRCd | 0 < 6.2.7.1 |
| UnrealIRCd | UnrealIRCd | 0 < 6.2.7.1 |