CVE-2026-70428

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.

Score

CVSS 3.1 4.3 Medium

Status

Analyzed - jenkinsci-cert@googlegroups.com

Published

2026-08-05

Last modified

2026-08-05

Weaknesses

CWE-22

Affected products

• Jenkins (Jenkins)
• Jenkins (Jenkins Project)

References

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