CVE-2026-29059: exploitation status and patch state

CVE-2026-29059 · EPSS 3%

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.

Is CVE-2026-29059 exploited?

• Not in the CISA KEV catalog.
• EPSS puts exploitation in the next 30 days at 3%.
• Public exploit code: none found in monitored sources.
• Public detection rules exist.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2026-29059

• WordPress PoCs Leave Artifacts as Windmill Is Hit (2026-07-20)

Primary sources

• NVD record
• Nuclei template

What this record does not say

• No CVSS score from NVD.
• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.