{"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"}}]}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-44640", "lastModified": "2026-05-29T20:21:38.773", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.0, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-29T20:16:24.983", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/nanomq/nanomq/releases/tag/0.24.14"}, {"source": "security-advisories@github.com", "url": "https://github.com/nanomq/nanomq/security/advisories/GHSA-9fgw-v323-jmjj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-05-29T21:30:06.279500+00:00", "updated": "2026-05-29T21:30:06.279513+00:00", "vendors": []}