CVE-2026-33001

HIGH

8.8

Description

Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins. This can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/18/2026

Last Modified3/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

jenkins:jenkins

Weaknesses (CWE)

CWE-59

References

https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3657(jenkinsci-cert@googlegroups.com)

IOC Correlations

No correlations recorded

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