{"id":"CVE-2026-84646","state":"PUBLISHED","title":"In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, user objects can appear as nested field values in other deserialized XML objects, allowing attackers with Overall/Read permis","description":"In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, user objects can appear as nested field values in other deserialized XML objects, allowing attackers with Overall/Read permission to create user objects by submitting crafted XML.","publishedAt":"2026-09-02T15:40:40.114Z","updatedAt":"2026-09-02T17:41:09.542Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","source":"CISA-ADP"},"assigner":"jenkins","products":["Jenkins Project Jenkins"],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"2.580","status":"unaffected","lessThan":"*","versionType":"maven"},{"version":"2.568.3","status":"unaffected","lessThan":"2.568.*","versionType":"maven"}]}],"references":["https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3908"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84646.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84646","state":"PUBLISHED","datePublished":"2026-09-02T15:40:40.114Z","dateUpdated":"2026-09-02T17:41:09.542Z","assignerShortName":"jenkins","assignerOrgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateReserved":"2026-09-01T21:55:27.033Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, user objects can appear as nested field values in other deserialized XML objects, allowing attackers with Overall/Read permission to create user objects by submitting crafted XML."}],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"2.580","status":"unaffected","lessThan":"*","versionType":"maven"},{"version":"2.568.3","status":"unaffected","lessThan":"2.568.*","versionType":"maven"}]}],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3908","name":"Jenkins Security Advisory 2026-09-02","tags":["vendor-advisory"]}],"providerMetadata":{"shortName":"jenkins","orgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateUpdated":"2026-09-02T15:40:40.114Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-02T17:41:06.358485Z","id":"CVE-2026-84646","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":"2026-09-02T17:41:09.542Z"}}]}}}