Origin Validation Error Affecting mlflow package, versions [3.9.0,3.11.0rc1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-PYTHON-MLFLOW-16758002
  • published19 May 2026
  • disclosed19 May 2026
  • creditsinon2003

Introduced: 19 May 2026

NewCVE-2026-2611  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade mlflow to version 3.11.0rc1 or higher.

Overview

mlflow is a platform to streamline machine learning development, including tracking experiments, packaging code into reproducible runs, and sharing and deploying models.

Affected versions of this package are vulnerable to Origin Validation Error in the /ajax-api endpoints. An attacker can gain unauthorized access to the Assistant's configuration and execute arbitrary commands by sending crafted cross-origin requests from a malicious webpage.

CVSS Base Scores

version 4.0
version 3.1