Auth bypass in Lfprojects Mlflow
CVE-2026-0545
In mlflow/mlflow, the FastAPI job endpoints under `/ajax-api/3.0/jobs/*` are not protected by authentication or authorization when the `basic-auth` app is enabled. This vulnerability affects the latest version of the repository. If job exe…
Vulnerability class: Broken Authentication
EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Lfprojects Mlflow
- Mlflow Mlflow/mlflow — versions unspecified
Weakness classification (CWE)
References
- security@huntr.dev (Exploit, Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-0545?
- CVE-2026-0545 is a critical-severity vulnerability in Lfprojects Mlflow, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-04-03.
- How severe is CVE-2026-0545?
- Critical severity. CVSS v3 base score is 9.8 out of 10.