{"id":"CVE-2026-84656","title":"A missing permission check in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier allows attackers with Item/Read permission on at least one job to read build parameter names and values of jobs they have no access to.","summary":"A missing permission check in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier allows attackers with Item/Read permission on at least one job to read build parameter names and values of jobs they have no access to.","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-862"],"vendor":"jenkins","product":"jenkins","affected":["jenkins <= 2.568.2","jenkins <= 2.579"],"published":"2026-09-02","updated":"2026-09-15","sourceUpdated":"2026-09-15T18:06:43.853","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84656","references":[{"url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4006","label":"jenkinsci-cert@googlegroups.com"}],"tags":["nvd"],"epss":0.00199,"epssPercentile":0.09959,"ingestedAt":"2026-09-15T18:41:59.124Z","slug":"CVE-2026-84656","body":"## Overview\n\nA missing permission check in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier allows attackers with Item/Read permission on at least one job to read build parameter names and values of jobs they have no access to.\n\n## Affected\n\n- `jenkins <= 2.568.2`\n- `jenkins <= 2.579`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}