MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redir...

Date Aug 17, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI ยท mlflow
CVE CVE-2026-64849
High-risk advisory CVE-2026-64849

Summary

MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)

Why it matters

GitHub has published a reviewed security advisory for mlflow. Prioritize it with other application dependency updates.

Operator check

Check whether mlflow is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.