{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-114713","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","state":"PUBLISHED","assignerShortName":"mitre","dateReserved":"2026-10-22T00:56:41.381Z","datePublished":"2026-11-08T02:31:48.387Z","dateUpdated":"2026-11-08T11:04:43.329Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["labeled-response"],"product":"UnrealIRCd","programFiles":["src/modules/labeled-response.c"],"programRoutines":[{"name":"labeled_response_mtag_is_ok()"}],"repo":"https://github.com/unrealircd/unrealircd","vendor":"UnrealIRCd","versions":[{"lessThan":"6.2.7.1","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"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":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-140","description":"CWE-140 Improper Neutralization of Delimiters","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2026-11-08T02:31:48.387Z"},"references":[{"url":"https://www.unrealircd.org/"},{"url":"https://www.unrealircd.org/index/news"},{"url":"https://forums.unrealircd.org/viewtopic.php?t=9487"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"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"}],"value":"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"}],"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Add the following line to the configuration file of all servers until the patch or upgrade is applied: blacklist-module \"labeled-response\";"}],"value":"Add the following line to the configuration file of all servers until the patch or upgrade is applied: blacklist-module \"labeled-response\";"}],"x_generator":{"engine":"CVE-Request-form 0.0.1"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:unrealircd:unrealircd:*:*:*:*:*:*:*:*","versionEndExcluding":"6.2.7.1"}]}]}]},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/11/08/1"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-11-08T11:04:43.329Z"}}]}}