{"id":"CVE-2026-48921","title":"Jenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files …","summary":"Jenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-59"],"vendor":"jenkins","product":"pipeline:_groovy_libraries","affected":["pipeline:_groovy_libraries < 798.v5cc688825312"],"patched":["pipeline:_groovy_libraries 798.v5cc688825312"],"published":"2026-05-27","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:10:00.190","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48921","references":[{"url":"https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3727","label":"jenkinsci-cert@googlegroups.com"}],"tags":["nvd"],"epss":0.00434,"epssPercentile":0.3613,"ingestedAt":"2026-10-14T20:53:12.325Z","slug":"CVE-2026-48921","body":"## Overview\n\nJenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins controller filesystem.\n\n## Affected\n\n- `pipeline:_groovy_libraries < 798.v5cc688825312`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `pipeline:_groovy_libraries 798.v5cc688825312`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}