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Vulnerability record · CVE-2026-29059 · published 6 March 2026

CVE-2026-29059: Windmill path traversal vulnerability

Windmill · Windmill

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.

6.9 CVSS 4.0 Medium EPSS 2.1% · top 18.9% CWE-22 · Path traversal
6.9CVSS 4.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/windmill-labs/windmill/releases/tag/v1.603.3 Release Notes
https://github.com/windmill-labs/windmill/security/advisories/GHSA-24fr-44f8-fqwg Vendor Advisory
https://github.com/Chocapikk/Windfall Product

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Source: NIST National Vulnerability Database (record CVE-2026-29059), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.