What’s Vulnerable › Vulnerabilities
CVE-2024-27134: Excessive directory permissions in MLflow leads to local privilege escalation when using spark_udf
- Severity: high (CVSS 7.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-11-25 · updated 2026-06-17
- Weakness: CWE-276
Description
Excessive directory permissions in MLflow leads to local privilege escalation when using spark_udf. This behavior can be exploited by a local attacker to gain elevated permissions by using a ToCToU attack. The issue is only relevant when the spark_udf() MLflow API is called.
Affected products
- mlflow/mlflow: before 2.16.0 — fixed in 2.16.0
How to fix
Upgrade to a fixed version: mlflow/mlflow 2.16.0. Check the vendor advisory for mitigations.
References
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