Auth bypass in Windmill Labs

CVE-2026-72542

A missing authorization vulnerability in Windmill Labs Windmill through 1.783.0 allows authenticated operators to write job progress and read job metrics for any job in the workspace regardless of ownership. The job_metrics handlers accept…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-72542?
CVE-2026-72542 is a medium-severity vulnerability in Windmill Labs, classified under Missing Authentication for Critical Function. CVSS score: 5.4/10. Published 2026-08-11.
How severe is CVE-2026-72542?
Medium severity. CVSS v3 base score is 5.4 out of 10.