MediumVulnerability

CVE-2025-15381: MLflow basic-auth app lacks permission checks on tracing endpoints

Source: NVD(opens in a new tab)
Identifier: CVE-2025-15381
Published: March 27, 2026
Record updated: October 9, 2026

Affected: mlflow <= 3.8.1
Fixed in: No fixed version was stated when the source was last read.
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.3%

Summary

In the latest version of mlflow/mlflow, tracing and assessment endpoints are not protected by permission validators when the `basic-auth` app is enabled. Any authenticated user, including those with `NO_PERMISSIONS` on the experiment, can read trace information and create assessments for traces they should not access. Deployments using `mlflow server --app-name=basic-auth` are affected.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

EPSS: 0.3%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 8, 2026.
Disclosure date: March 27, 2026

Weaknesses and techniques

Weakness (CWE): CWE-200
Attack pattern (CAPEC): CAPEC-116

Affected

Packages: mlflow@<= 3.8.1

Classification

Attack sophistication: Trivial
AI component targeted: Framework
Impact: Confidentiality,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-15381

First tracked: March 27, 2026 at 02:07 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

mlflowPyPILLM dependency since 2024-05-30 · 17 tracked dependents