CVE-2026-114713
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-140 |
| Vendor | unrealircd |
| Product | unrealircd |
| Published | Nov 8, 2026 |
| Last Updated | Nov 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
UnrealIRCd / UnrealIRCd
0 < 6.2.7.1