What is CVE-2026-2734?

CVE-2026-2734 is a medium-severity vulnerability in Lfprojects Mlflow, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-05-21.

How severe is CVE-2026-2734?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Lfprojects Mlflow

CVE-2026-2734

In mlflow/mlflow versions up to 3.9.0, the `SearchModelVersions` REST API endpoint and the `mlflowSearchModelVersions` GraphQL query lack proper per-model authorization checks when basic authentication is enabled. This allows any authentic…

EPSS: 0.000 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Lfprojects Mlflow
Mlflow Mlflow/mlflow — versions unspecified

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security@huntr.dev (Exploit, Third Party Advisory)
security@huntr.dev (Patch)

Frequently asked questions

What is CVE-2026-2734?: CVE-2026-2734 is a medium-severity vulnerability in Lfprojects Mlflow, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-05-21.
How severe is CVE-2026-2734?: Medium severity. CVSS v3 base score is 6.5 out of 10.