CVE-2026-70428

Published: Aug 5, 2026Modified: Sep 8, 2026

4.3

Vector

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

Exploitability: 2.8 / Impact: 1.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal in file parameter names, allowing attackers with Item/Configure and Item/Build permission to write files to arbitrary locations on the controller file system.

Affected (2)

Products: Jenkins: Jenkins

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Jenkins Jenkins	version < 2.576
Jenkins Jenkins	version < 2.568.2

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3927

Source: jenkinsci-cert@googlegroups.com

Vendor Advisory

Timeline

No history available yet.