{"id":"BIT-jenkins-2026-70426","details":"In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath.","aliases":["CVE-2026-70426"],"modified":"2026-08-17T08:01:33.946715517Z","published":"2026-08-17T05:44:37.261Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:maven:*:*"]},"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70426"},{"type":"WEB","url":"https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3911"}],"affected":[{"package":{"name":"jenkins","ecosystem":"Bitnami","purl":"pkg:bitnami/jenkins"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.568.2"},{"introduced":"2.569.0"},{"fixed":"2.576.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/jenkins/BIT-jenkins-2026-70426.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}