{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-53435: In Jenkins 2","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-53435","status":"final","version":"1","initial_release_date":"2026-06-10T13:05:57.208Z","current_release_date":"2026-06-11T03:55:32.661Z","revision_history":[{"date":"2026-06-10T13:05:57.208Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, it is possible for attackers to have Jenkins deserialize arbitrary types defined in Jenkins core or plugins from an attacker-controlled `config.xml` submission in a way that allows them to handle HTTP requests afterwards.\nThis can be used to impersonate any user and send HTTP requests on their behalf, up to and including use of the Script Console to run arbitrary code, or to read arbitrary files from the Jenkins controller.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-53435 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-53435"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-53435"},{"category":"external","summary":"Jenkins Security Advisory 2026-06-10","url":"https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3707"}]},"product_tree":{"branches":[{"category":"vendor","name":"Jenkins Project","branches":[{"category":"product_name","name":"Jenkins","branches":[{"category":"product_version","name":"*","product":{"name":"Jenkins Project Jenkins *","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:jenkins_project:jenkins:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"2.568","product":{"name":"Jenkins Project Jenkins 2.568","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:jenkins_project:jenkins:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"2.555.3","product":{"name":"Jenkins Project Jenkins 2.555.3","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:jenkins_project:jenkins:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-53435","title":"In Jenkins 2","notes":[{"category":"description","text":"In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, it is possible for attackers to have Jenkins deserialize arbitrary types defined in Jenkins core or plugins from an attacker-controlled `config.xml` submission in a way that allows them to handle HTTP requests afterwards.\nThis can be used to impersonate any user and send HTTP requests on their behalf, up to and including use of the Script Console to run arbitrary code, or to read arbitrary files from the Jenkins controller.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"],"fixed":["CSAFPID-2","CSAFPID-3"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 2.555.3, 2.568.","product_ids":["CSAFPID-1"]}]}]}