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VULNERABILITIES

CVE-2026-48921 Details

Description

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 on the Jenkins controller filesystem.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3727 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-59Improper Link Resolution Before File Access ('Link Following')CISA-ADP

Affected Products

ProductVersions
jenkins pipeline: groovy libraries
< 798.v5cc688825312

CPE

  • cpe:2.3:a:jenkins:pipeline:_groovy_libraries:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-48921
NVD Published Date:
May 27, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-48921 Details - Not Deferred