{"action":"Upgrade org.jenkins-ci.main:jenkins-core to 2.555.3 (2.555.x) or 2.568 (2.568.x) or later.","affected":[{"fixed":"2.555.3","introduced":"0"},{"fixed":"2.568","introduced":"2.556"}],"component":"org.jenkins-ci.main:jenkins-core","cve_ids":["CVE-2026-53440"],"ecosystem":"Maven","epss":0.0023,"exploited":false,"fixed_versions":["2.555.3","2.568"],"ghsa_id":"GHSA-92m7-4fpw-2wxm","id":"tcs_01M5N8NV33WJPKZ1W29Q79XJ7D","modified_at":"2026-09-10T03:50:49.138744172Z","published_at":"2026-06-10T15:31:31Z","references":["https://osv.dev/vulnerability/GHSA-92m7-4fpw-2wxm","https://nvd.nist.gov/vuln/detail/CVE-2026-53440","https://github.com/jenkinsci/jenkins/commit/38071826c9a2113e1104714595262827a87b392f","https://github.com/jenkinsci/jenkins/commit/c45e93f2d77d94ea3b0545eb5aca32b808a27586","https://github.com/jenkinsci/jenkins","https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3721"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-92m7-4fpw-2wxm","url":"https://osv.dev/vulnerability/GHSA-92m7-4fpw-2wxm"}],"summary":"Jenkins: Open Redirect phishing attacks possible via \"from\" parameter in \"Delegate to servlet container\""}