REDHAT-BUG-2479797: MLflow MLflow vulnerability

Published May 19, 2026
·
Updated

In MLflow version 3.9.0, the MLflow Assistant feature introduced improper origin validation in its /ajax-api endpoints. This vulnerability allows a remote attacker to exploit cross-origin requests from a malicious webpage to interact with the MLflow Assistant running on a victim's local machine. By bypassing the loopback-only restriction, the attacker can modify the Assistant's configuration to enable full access, which in turn allows the execution of arbitrary commands via the Claude Code sub-agent. This issue is resolved in version 3.10.0.

Affected Software

2 affected components
MLflow MLflow>3.9.0<3.10.0
MLflow MLflow=3.9.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade MLflow to a version that resolves this vulnerability.

    Fixed in 3.10.0

Event History

May 19, 2026
Data Sourced
via Red Hat·11:02 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2479797?

REHAT-BUG-2479797 has a risk score of 80, indicating a high severity level.

2

How do I fix REDHAT-BUG-2479797?

To fix REDHAT-BUG-2479797, you should update your MLflow installation to a patched version that addresses the improper origin validation.

3

What is the impact of REDHAT-BUG-2479797?

The impact of REDHAT-BUG-2479797 allows remote attackers to exploit cross-origin requests, potentially compromising the MLflow Assistant on the victim's local machine.

4

In which version of MLflow is REDHAT-BUG-2479797 found?

REDHAT-BUG-2479797 is found in MLflow version 3.9.0.

5

Can REDHAT-BUG-2479797 be exploited remotely?

Yes, REDHAT-BUG-2479797 can be exploited remotely through interactions initiated from malicious web pages.

Contact

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