Path traversal in Helm - CVE-2026-35204
Published: April 9, 2026
Vulnerability identifier: #VU125576
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-35204
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: The Helm Project
Affected software:
Helm
Helm
Detailed vulnerability description
The vulnerability allows a remote attacker to write files to arbitrary locations on the filesystem.
The vulnerability exists due to path traversal in the plugin metadata version field when installing or updating a specially crafted Helm plugin. A remote attacker can provide a specially crafted plugin to write files to arbitrary locations on the filesystem.
User interaction is required to install or update the crafted plugin.
How to mitigate CVE-2026-35204
Install security update from vendor's website.