{"action":"Upgrade org.jenkins-ci.main:jenkins-core to 2.555 or later.","affected":[{"fixed":"2.555","introduced":"2.442"}],"component":"org.jenkins-ci.main:jenkins-core","cve_ids":["CVE-2026-33002"],"ecosystem":"Maven","epss":0.00284,"exploited":false,"fixed_versions":["2.555"],"ghsa_id":"GHSA-phhv-63fh-rrc8","id":"tcs_01M5N97GZVN6CYJP4ZKE326NCZ","modified_at":"2026-04-16T02:14:28.647144919Z","published_at":"2026-03-18T18:31:16Z","references":["https://osv.dev/vulnerability/GHSA-phhv-63fh-rrc8","https://nvd.nist.gov/vuln/detail/CVE-2026-33002","https://github.com/jenkinsci/jenkins/commit/348666da7136ef8270f88c0a7350562b0ba7f8ce","https://github.com/jenkinsci/jenkins","https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-phhv-63fh-rrc8","url":"https://osv.dev/vulnerability/GHSA-phhv-63fh-rrc8"}],"summary":"Jenkins has a DNS rebinding vulnerability in WebSocket CLI origin validation"}