{"id":"BIT-jenkins-2026-84651","details":"In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the REST API and CLI endpoints for updating agent configuration do not prevent a submitted configuration from overwriting a different agent by specifying that agent's name in the submitted XML document, allowing attackers with Agent/Configure permission on one agent to take over a different agent, gaining control of its configuration and obtaining access to its inbound agent secret and environment variables.","aliases":["CVE-2026-84651"],"modified":"2026-09-12T09:15:02.715974386Z","published":"2026-09-08T08:16:27.137Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:maven:*:*"]},"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84651"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4025"}],"affected":[{"package":{"name":"jenkins","ecosystem":"Bitnami","purl":"pkg:bitnami/jenkins"},"ranges":[{"type":"SEMVER","events":[{"introduced":"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-2026-84651.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"}]}],"schema_version":"1.9.0"}