UNIX Symbolic Link (Symlink) Following Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.555)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.16% (64th percentile)

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  • Snyk IDSNYK-JAVA-ORGJENKINSCIMAIN-15700510
  • published20 Mar 2026
  • disclosed18 Mar 2026
  • creditNguyen Ngoc Quang Bach, Elie Metahri, Vitaly Simonovich

Introduced: 18 Mar 2026

CVE-2026-33001  (opens in a new tab)
CWE-59  (opens in a new tab)
CWE-61  (opens in a new tab)

How to fix?

Upgrade org.jenkins-ci.main:jenkins-core to version 2.555 or higher.

Overview

org.jenkins-ci.main:jenkins-core is an open source automation server.

Affected versions of this package are vulnerable to UNIX Symbolic Link (Symlink) Following during the extraction of .tar and .tar.gz archives when symbolic links are present. An attacker can create or overwrite arbitrary files on the filesystem by supplying crafted archive files, potentially deploying malicious scripts or plugins on the controller.

Note:

This is only exploitable if the attacker has Item/Configure permission or can control agent processes.

CVSS Base Scores

version 4.0
version 3.1