{"id":"CVE-2026-77405","state":"PUBLISHED","title":"RabbitMQ amqp091-go: Missing Explicit TLS Minimum Version Configuration In URI Parser","description":"RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, tlsConfigFromURI in uri.go creates tls.Config values without setting MinVersion to tls.VersionTLS12. Builds using a Go runtime whose default permits TLS 1.0 or TLS 1.1 can therefore negotiate an obsolete protocol version when connecting through an amqps URI. A network attacker able to influence TLS negotiation with such a legacy build may weaken transport protection for AMQP messages and credentials. This issue is fixed in version 1.13.0.","publishedAt":"2026-09-16T14:42:08.670Z","updatedAt":"2026-09-18T17:59:20.584Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["rabbitmq amqp091-go"],"affected":[{"vendor":"rabbitmq","product":"amqp091-go","versions":[{"version":"< 1.13.0","status":"affected"}]}],"references":["https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-33mj-cw25-m34h","https://github.com/rabbitmq/amqp091-go/pull/355","https://github.com/rabbitmq/amqp091-go/commit/c9fd433ecac2e557919e51acc9d809390c402c6e","https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"],"weaknesses":["CWE-326"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/77xxx/CVE-2026-77405.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77405","state":"PUBLISHED","datePublished":"2026-09-16T14:42:08.670Z","dateUpdated":"2026-09-18T17:59:20.584Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-20T19:55:27.023Z"},"containers":{"cna":{"title":"RabbitMQ amqp091-go: Missing Explicit TLS Minimum Version Configuration In URI Parser","descriptions":[{"lang":"en","value":"RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, tlsConfigFromURI in uri.go creates tls.Config values without setting MinVersion to tls.VersionTLS12. Builds using a Go runtime whose default permits TLS 1.0 or TLS 1.1 can therefore negotiate an obsolete protocol version when connecting through an amqps URI. A network attacker able to influence TLS negotiation with such a legacy build may weaken transport protection for AMQP messages and credentials. This issue is fixed in version 1.13.0."}],"affected":[{"vendor":"rabbitmq","product":"amqp091-go","versions":[{"version":"< 1.13.0","status":"affected"}]}],"references":[{"url":"https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-33mj-cw25-m34h","name":"https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-33mj-cw25-m34h","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/rabbitmq/amqp091-go/pull/355","name":"https://github.com/rabbitmq/amqp091-go/pull/355","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/amqp091-go/commit/c9fd433ecac2e557919e51acc9d809390c402c6e","name":"https://github.com/rabbitmq/amqp091-go/commit/c9fd433ecac2e557919e51acc9d809390c402c6e","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0","name":"https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":9.4,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:L/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-326","lang":"en","description":"CWE-326: Inadequate Encryption Strength","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-16T14:42:08.670Z"},"source":{"advisory":"GHSA-33mj-cw25-m34h","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T17:59:04.727483Z","id":"CVE-2026-77405","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T17:59:20.584Z"}}]}}}