{"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-2026-53435"],"ecosystem":"Maven","epss":0.53131,"exploited":false,"fixed_versions":["2.555.3","2.568"],"ghsa_id":"GHSA-g2xq-2v27-4rh3","id":"tcs_01M5N8X42WJV777HR3AEYZZXYZ","modified_at":"2026-09-10T03:50:49.529134709Z","published_at":"2026-06-10T15:31:31Z","references":["https://osv.dev/vulnerability/GHSA-g2xq-2v27-4rh3","https://nvd.nist.gov/vuln/detail/CVE-2026-53435","https://github.com/jenkinsci/jenkins/commit/d739f6a6266d","https://github.com/jenkinsci/jenkins/commit/345a3190a49d1ac96c4ff1c2e9eef4102c8d63f6","https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3707","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53435.json","https://github.com/jenkinsci/jenkins","https://bugzilla.redhat.com/show_bug.cgi?id=2487539","https://access.redhat.com/security/cve/CVE-2026-53435","https://access.redhat.com/errata/RHSA-2026:60259","https://access.redhat.com/errata/RHSA-2026:60256","https://access.redhat.com/errata/RHSA-2026:60254","https://access.redhat.com/errata/RHSA-2026:60252","https://access.redhat.com/errata/RHSA-2026:60251","https://access.redhat.com/errata/RHSA-2026:60250","https://access.redhat.com/errata/RHSA-2026:60249","https://access.redhat.com/errata/RHSA-2026:60248","https://access.redhat.com/errata/RHSA-2026:60247","https://access.redhat.com/errata/RHSA-2026:60246","https://access.redhat.com/errata/RHSA-2026:60239"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-g2xq-2v27-4rh3","url":"https://osv.dev/vulnerability/GHSA-g2xq-2v27-4rh3"}],"summary":"Jenkins arbitrary type deserialization from attacker-controlled config.xml allows remote code execution and user impersonation"}