{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-70426","assignerOrgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","state":"PUBLISHED","assignerShortName":"jenkins","dateReserved":"2026-08-04T14:13:20.602Z","datePublished":"2026-08-05T17:40:27.071Z","dateUpdated":"2026-08-06T03:55:46.082Z"},"containers":{"cna":{"providerMetadata":{"orgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","shortName":"jenkins","dateUpdated":"2026-08-05T17:40:27.071Z"},"affected":[{"vendor":"Jenkins Project","product":"Jenkins","versions":[{"version":"2.576","versionType":"maven","lessThan":"*","status":"unaffected"},{"version":"2.568.2","versionType":"maven","lessThan":"2.568.*","status":"unaffected"}],"defaultStatus":"affected"},{"vendor":"Jenkins Project","product":"Remoting","versions":[{"version":"3385.vf1123fb_515da_","versionType":"maven","lessThan":"*","status":"unaffected"},{"version":"3355.3357.v931d3c992987","versionType":"maven","lessThan":"3355.*","status":"unaffected"}],"defaultStatus":"affected"}],"descriptions":[{"lang":"en","value":"In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath."}],"references":[{"name":"Jenkins Security Advisory 2026-08-05","url":"https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3911","tags":["vendor-advisory"]}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-502","lang":"en","description":"CWE-502 Deserialization of Untrusted Data"}]}],"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":9,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-70426"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-06T03:55:46.082Z"}}]}}