{"id":"CVE-2026-27100","state":"PUBLISHED","title":"Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with ","description":"Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name.","publishedAt":"2026-02-18T14:17:44.672Z","updatedAt":"2026-02-18T14:53:33.264Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"CISA-ADP"},"assigner":"jenkins","products":["Jenkins Project Jenkins"],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"2.551","status":"unaffected","lessThan":"*","versionType":"maven"},{"version":"2.541.2","status":"unaffected","lessThan":"2.541.*","versionType":"maven"}]}],"references":["https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27100.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27100","state":"PUBLISHED","datePublished":"2026-02-18T14:17:44.672Z","dateUpdated":"2026-02-18T14:53:33.264Z","assignerShortName":"jenkins","assignerOrgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateReserved":"2026-02-17T16:48:49.373Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name."}],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"2.551","status":"unaffected","lessThan":"*","versionType":"maven"},{"version":"2.541.2","status":"unaffected","lessThan":"2.541.*","versionType":"maven"}]}],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658","name":"Jenkins Security Advisory 2026-02-18","tags":["vendor-advisory"]}],"providerMetadata":{"shortName":"jenkins","orgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateUpdated":"2026-02-18T14:17:44.672Z"}},"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:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-02-18T14:50:38.503514Z","id":"CVE-2026-27100","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","type":"CWE","lang":"en","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-18T14:53:33.264Z"}}]}}}