{"affected":[{"defaultStatus":"unaffected","product":"UnrealIRCd","source":"CNA: mitre","vendor":"UnrealIRCd","versions":[{"lessThan":"6.2.7.1","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-114713","cwes":["CWE-140"],"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.6,"severity":"high","source":"CNA: mitre","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","version":"3.1"}],"modifiedAt":1794105108387,"publishedAt":1794105108387,"references":[{"source":"CNA: mitre","tags":[],"url":"https://www.unrealircd.org/"},{"source":"CNA: mitre","tags":[],"url":"https://www.unrealircd.org/index/news"},{"source":"CNA: mitre","tags":[],"url":"https://forums.unrealircd.org/viewtopic.php?t=9487"}],"remediation":[{"kind":"fix","source":"CNA: mitre","text":"Upgrade to UnrealIRCd 6.2.7.1 or later. Alternatively, apply the hot-patch to fix the issue without restart: ./unrealircd hot-patch bundle-20261107"},{"kind":"workaround","source":"CNA: mitre","text":"Add the following line to the configuration file of all servers until the patch or upgrade is applied: blacklist-module \"labeled-response\";"}],"revision":"f26f2ec294a03ce291d983831b42f74fe3aa933e426acfd333ecd9bdc4b7257e","sources":[{"modifiedAt":1794105108387,"name":"CNA: mitre","retrievedAt":1794107305123,"url":"https://www.cve.org/CVERecord?id=CVE-2026-114713"}],"ssvc":null,"status":"published","title":"CVE-2026-114713","updatedAt":1794107305123}