critical·Product Based Web Vulnerabilities·Updated Jun 3, 2026

Windmill/Nextcloud Flow < 1.603.3 - Unauthenticated Path Traversal

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Est. Time~10 seconds

Scan TypeGroup Scan

Targetsurl

CostFree

3.1k

Times Used

continuous scan runs

Continuously Checked

assets under CS

Vulnerabilities Found

confirmed findings

References

github.com↗

CVECVE-2026-29059

6.9

CVSSmedium

Exploitable remotely over the internet · no authentication required.

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.

Attack Vector

Network

Privileges Req.

None

User Interaction

None

Affected

windmillby windmill-labs

< 1.603.3

Updated Sep 9, 2026View on NVD →

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Windmill/Nextcloud Flow < 1.603.3 - Unauthenticated Path Traversal

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