{"id":"CVE-2026-27099","state":"PUBLISHED","title":"Jenkins 2.483 through 2.550 (both inclusive), LTS 2.492.1 through 2.541.1 (both inclusive) does not escape the user-provided description of the \"Mark temporarily offline\" offline c","description":"Jenkins 2.483 through 2.550 (both inclusive), LTS 2.492.1 through 2.541.1 (both inclusive) does not escape the user-provided description of the \"Mark temporarily offline\" offline cause, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure or Agent/Disconnect permission.","publishedAt":"2026-02-18T14:17:43.911Z","updatedAt":"2026-02-18T14:56:27.973Z","severity":{"score":8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"jenkins","products":["Jenkins Project Jenkins"],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"0","status":"unaffected","lessThan":"2.483","versionType":"maven"},{"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-3669"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27099.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27099","state":"PUBLISHED","datePublished":"2026-02-18T14:17:43.911Z","dateUpdated":"2026-02-18T14:56:27.973Z","assignerShortName":"jenkins","assignerOrgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateReserved":"2026-02-17T16:48:49.373Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Jenkins 2.483 through 2.550 (both inclusive), LTS 2.492.1 through 2.541.1 (both inclusive) does not escape the user-provided description of the \"Mark temporarily offline\" offline cause, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure or Agent/Disconnect permission."}],"affected":[{"vendor":"Jenkins Project","product":"Jenkins","defaultStatus":"affected","versions":[{"version":"0","status":"unaffected","lessThan":"2.483","versionType":"maven"},{"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-3669","name":"Jenkins Security Advisory 2026-02-18","tags":["vendor-advisory"]}],"providerMetadata":{"shortName":"jenkins","orgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateUpdated":"2026-02-18T14:17:43.911Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-02-18T14:55:42.504808Z","id":"CVE-2026-27099","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-18T14:56:27.973Z"}}]}}}