CVE-2026-1147138.6High
CVE-2026-114713: UnrealIRCd vulnerability
Fixed in 6.2.7.1 · Affected: UnrealIRCd before 6.2.7.1 · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.06 (6 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
0.3%probability of exploitation in the next 30 days
21st percentile
050100
Higher than 21% of scored CVEs
8.6HighCVSS
LowMediumHighCrit.
DescriptionNVD
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.
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 9 Nov.
- UnrealIRCd warns users are exploiting flaw to run server commandsSecurityOnline · first in our coverage
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