What’s Vulnerable › Vulnerabilities

CVE-2026-13484: MLflow Experiment-scoped Label Schema CRUD API authorization

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-28 · updated 2026-07-01
• Weakness: CWE-862

Description

A vulnerability has been found in MLflow up to 4666cffc7912ea606d592fc38d6a75e2935f65e7. The impacted element is an unknown function of the component Experiment-scoped Label Schema CRUD API. Such manipulation leads to missing authorization. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been disclosed to the public and may be used. A reply to the GitHub issue explains, that "[t]he labeling schema PR has not been merged yet. The auth handlers will be added before the release."

Affected products

• mlflow/mlflow: through 2026-05-26

References

• https://github.com/mlflow/mlflow/
• https://github.com/mlflow/mlflow/issues/23608
• https://github.com/mlflow/mlflow/issues/23608#issuecomment-4560963877
• https://vuldb.com/cve/CVE-2026-13484
• https://vuldb.com/submit/837658
• https://vuldb.com/vuln/374481
• https://vuldb.com/vuln/374481/cti
• https://github.com/mlflow/mlflow/issues/23608#issuecomment-4560963877

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