PatchTheCVECVE-2026-29059: Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs
CVE-2026-29059 is a high-severity flaw (CVSS 7.5) affecting windmill. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 ha
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 3.0% (top 13%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2026-03-06 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: Windmill/Nextcloud Flow < 1.603.3 - Unauthenticated Path Traversal
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-29059?
windmill: upgrade to 1.603.3. Exact commands for each OS are on this page.
Is CVE-2026-29059 being exploited?
CVE-2026-29059 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-29059 affect?
CVE-2026-29059 affects windmill. Severity is high (CVSS 7.5). 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/{worksp
How urgent is CVE-2026-29059?
Priority 53/100. High severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2026-22683 HIGH 8.8 UPGRADE UPGRADE Windmill versions 1.56.0 through 1.614.0 contain a missing authorization vulnerability that allows users with
- CVE-2026-33881 HIGH 7.2 UPGRADE Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs
- CVE-2026-26964 LOW 2.7 UPGRADE Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs
- CVE-2022-31519 CRITICAL 9.3 DOWNGRADE The Lukasavicus/WindMill repository through 1.0 on GitHub allows absolute path traversal because the Flask sen