Jenkins 2.575/LTS2.568.1 Path Traversal File Param Names Arbitrary File Write
CVE-2026-70428 Published on August 5, 2026
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.
Vulnerability Analysis
CVE-2026-70428 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software 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 software 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.
CVE-2026-70428 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-70428
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Affected Versions
Jenkins Project Jenkins:- Version 2.576 and below * is unaffected.
- Version 2.568.2 and below 2.568.* is unaffected.