Path Traversal in Windmill
CVE-2026-29059
Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs. Prior to version 1.603.3, an unauthenticated path traversal vulnerability exists in Windmill's get_log_file endpoint "(/api/w/{workspace}/jobs_u/get_log_file/{filename})". The filename parameter is concatenated into a file path without sanitization, allowing an attacker to read arbitrary files on the server using ../ sequences. This issue has been patched in version 1.603.3.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Windmill
- Windmill-Labs Windmill — versions < 1.603.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/windmill-labs/windmill/security/advisories/GHSA-24fr-44f8-fqwg (Vendor Advisory)
- github.com/windmill-labs/windmill/releases/tag/v1.603.3 (Release Notes)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Product)
Frequently asked questions
- What is CVE-2026-29059?
- CVE-2026-29059 is a high-severity vulnerability in Windmill, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-03-06.
- How severe is CVE-2026-29059?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2026-29059 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.