CVE-2026-48921

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3727	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

14 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Jenkins Pipeline: Plugin Groovy Libraries 797.v90ea_a_9b_e45a_0 y anteriores no prohíbe los enlaces simbólicos en bibliotecas compartidas, permitiendo a los atacantes capaces de controlar el contenido de una biblioteca utilizada por un trabajo de Pipeline leer archivos arbitrarios en el sistema de archivos del controlador de Jenkins.

Information

Published : 2026-05-27 15:16

Updated : 2026-10-14 20:10

NVD link : CVE-2026-48921

Mitre link : CVE-2026-48921

CVE.ORG link : CVE-2026-48921

JSON object : View

Products Affected

jenkins

pipeline\

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

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