{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41642","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-21T23:58:43.801Z","datePublished":"2026-05-07T11:50:41.545Z","dateUpdated":"2026-05-07T12:34:38.588Z"},"containers":{"cna":{"title":"GoBGP: Remote Denial of Service (Panic) via Malformed Well-known Path Attribute","problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","description":"CWE-476: NULL Pointer Dereference","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/osrg/gobgp/security/advisories/GHSA-7235-89m6-f4px","tags":["x_refsource_CONFIRM"],"url":"https://github.com/osrg/gobgp/security/advisories/GHSA-7235-89m6-f4px"},{"name":"https://github.com/osrg/gobgp/releases/tag/v4.4.0","tags":["x_refsource_MISC"],"url":"https://github.com/osrg/gobgp/releases/tag/v4.4.0"}],"affected":[{"vendor":"osrg","product":"gobgp","versions":[{"version":"= 4.3.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-07T11:50:41.545Z"},"descriptions":[{"lang":"en","value":"GoBGP is an open source Border Gateway Protocol (BGP) implementation in the Go Programming Language. In version 4.3.0, a remote Denial of Service (DoS) vulnerability exists in GoBGP due to a nil pointer dereference. When a malformed BGP UPDATE message contains an unrecognized Path Attribute marked as \"Well-known,\" the daemon fails to interrupt the message handling flow. This results in an illegal memory access and a full process crash (panic). This issue has been patched in version 4.4.0."}],"source":{"advisory":"GHSA-7235-89m6-f4px","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/osrg/gobgp/security/advisories/GHSA-7235-89m6-f4px","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-07T12:32:55.282153Z","id":"CVE-2026-41642","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"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":"2026-05-07T12:34:38.588Z"}}]}}