{"id":"BIT-jenkins-2026-84649","details":"In Stapler 1839.ved17667b_a_eb_5 through 2107.v8dfcb_e8ed317 (both inclusive), except 2088.2093.vd7c3e58008a_6, included in Jenkins 2.447 through 2.579 (both inclusive), LTS 2.452.1 through 2.568.2 (both inclusive), an HTTP endpoint serving dynamically generated JavaScript resources embeds the user's cross-site request forgery (CSRF) token (crumb) as a string literal, allowing attackers with control over a page hosted on the same site as Jenkins to obtain a valid crumb for the targeted user's session and perform actions on their behalf.","aliases":["CVE-2026-84649"],"modified":"2026-09-10T09:30:06.656041108Z","published":"2026-09-08T08:16:25.171Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:maven:*:*"]},"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84649"},{"type":"WEB","url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3878"}],"affected":[{"package":{"name":"jenkins","ecosystem":"Bitnami","purl":"pkg:bitnami/jenkins"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.447.0"},{"fixed":"2.568.3"},{"introduced":"2.569.0"},{"fixed":"2.580.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/jenkins/BIT-jenkins-2026-84649.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}