{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-67239","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-28T19:50:39.438Z","datePublished":"2026-09-25T16:13:29.231Z","dateUpdated":"2026-09-25T16:44:11.438Z"},"containers":{"cna":{"title":"RabbitMQ: Stored XSS via TLS peer-certificate DN in stream-management UI","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.6,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-xm9p-57xv-vxwc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-xm9p-57xv-vxwc"},{"name":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9","tags":["x_refsource_MISC"],"url":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.9"},{"name":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3","tags":["x_refsource_MISC"],"url":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.3"}],"affected":[{"vendor":"rabbitmq","product":"rabbitmq-server","versions":[{"version":">= 3.13.0, < 3.13.18","status":"affected"},{"version":">= 4.0.0, < 4.0.23","status":"affected"},{"version":">= 4.1.0, < 4.1.14","status":"affected"},{"version":">= 4.2.0, < 4.2.9","status":"affected"},{"version":">= 4.3.0, < 4.3.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-25T16:13:29.231Z"},"descriptions":[{"lang":"en","value":"RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3, Stored XSS via TLS peer-certificate DN in stream-management UI (sibling of V-11). lines 102/106/110 render peercertsubject / peercertissuer with raw <%= %> and no fmtstring(). RFC4514 backslash-escaping of </> is HTML-inert and bypassable (<img ... //>). Requires non-default config: a stream TLS listener with verifypeer and an attacker-obtainable trusted cert with a malicious Same as the connection.ejs finding, against operators viewing the stream-connection detail rabbitmqstream + rabbitmqstreammanagement enabled with a TLS listener using verifypeer Attacker can obtain a certificate signed by a CA the listener trusts, with attacker-chosen DN An operator views the. This issue is fixed in versions 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3."}],"source":{"advisory":"GHSA-xm9p-57xv-vxwc","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-25T16:44:00.484727Z","id":"CVE-2026-67239","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-25T16:44:11.438Z"}}]}}