{"id":"CVE-2026-42521","state":"PUBLISHED","title":"Jenkins Matrix Authorization Strategy Plugin 2.0-beta-1 through 3.2.9 (both inclusive) invokes parameterless constructors of classes specified in configuration when deserializing i","description":"Jenkins Matrix Authorization Strategy Plugin 2.0-beta-1 through 3.2.9 (both inclusive) invokes parameterless constructors of classes specified in configuration when deserializing inheritance strategies, without restricting the classes that can be instantiated, allowing attackers with Item/Configure permission to instantiate arbitrary types, which may lead to information disclosure or other impacts depending on the classes available on the classpath.","publishedAt":"2026-04-29T13:31:30.608Z","updatedAt":"2026-04-29T13:58:20.768Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","source":"CISA-ADP"},"assigner":"jenkins","products":["Jenkins Project Jenkins Matrix Authorization Strategy Plugin"],"affected":[{"vendor":"Jenkins Project","product":"Jenkins Matrix Authorization Strategy Plugin","defaultStatus":"unaffected","versions":[{"version":"2.0-beta-1","status":"affected","lessThanOrEqual":"3.2.9","versionType":"maven"}]}],"references":["https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3676"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42521.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42521","state":"PUBLISHED","datePublished":"2026-04-29T13:31:30.608Z","dateUpdated":"2026-04-29T13:58:20.768Z","assignerShortName":"jenkins","assignerOrgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateReserved":"2026-04-28T09:24:35.048Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Jenkins Matrix Authorization Strategy Plugin 2.0-beta-1 through 3.2.9 (both inclusive) invokes parameterless constructors of classes specified in configuration when deserializing inheritance strategies, without restricting the classes that can be instantiated, allowing attackers with Item/Configure permission to instantiate arbitrary types, which may lead to information disclosure or other impacts depending on the classes available on the classpath."}],"affected":[{"vendor":"Jenkins Project","product":"Jenkins Matrix Authorization Strategy Plugin","defaultStatus":"unaffected","versions":[{"version":"2.0-beta-1","status":"affected","lessThanOrEqual":"3.2.9","versionType":"maven"}]}],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3676","name":"Jenkins Security Advisory 2026-04-29","tags":["vendor-advisory"]}],"providerMetadata":{"shortName":"jenkins","orgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateUpdated":"2026-04-29T13:31:30.608Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-29T13:58:15.842577Z","id":"CVE-2026-42521","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","type":"CWE","lang":"en","description":"CWE-502 Deserialization of Untrusted Data"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-29T13:58:20.768Z"}}]}}}