{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44640","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-07T15:30:10.875Z","datePublished":"2026-05-29T19:28:47.185Z","dateUpdated":"2026-05-29T21:36:48.164Z"},"containers":{"cna":{"title":"NanoMQ: QUIC Dialer Close Type Confusion","problemTypes":[{"descriptions":[{"cweId":"CWE-843","lang":"en","description":"CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","version":"3.1"}}],"references":[{"name":"https://github.com/nanomq/nanomq/security/advisories/GHSA-9fgw-v323-jmjj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nanomq/nanomq/security/advisories/GHSA-9fgw-v323-jmjj"},{"name":"https://github.com/nanomq/nanomq/releases/tag/0.24.14","tags":["x_refsource_MISC"],"url":"https://github.com/nanomq/nanomq/releases/tag/0.24.14"}],"affected":[{"vendor":"nanomq","product":"nanomq","versions":[{"version":"< 0.24.14","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-29T19:28:47.185Z"},"descriptions":[{"lang":"en","value":"NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. Prior to 0.24.14, aio->prov_data is stored as nni_quic_conn* during dialing, but read as ex_quic_conn* during dialer close. This type confusion causes invalid object interpretation and leads to close-path hang/crash behavior. This vulnerability is fixed in 0.24.14."}],"source":{"advisory":"GHSA-9fgw-v323-jmjj","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/nanomq/nanomq/security/advisories/GHSA-9fgw-v323-jmjj","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T21:35:30.437638Z","id":"CVE-2026-44640","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-29T21:36:48.164Z"}}]}}