Path traversal in Windmill - CVE-2026-29059
Published: March 4, 2026
Vulnerability identifier: #VU123518
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-29059
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Windmill Labs
Affected software:
Windmill
Windmill
Detailed vulnerability description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within get_log_file endpoint. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system, leading to arbitrary code execution.
How to mitigate CVE-2026-29059
Install updates from vendor's website.