CVE catalog
CVE-2026-2652
A vulnerability in mlflow/mlflow versions 3.9.0 and earlier allows unauthenticated access to certain FastAPI routes when the server is started with authentication enabled (`--app-name basic-auth`) and
- Severity
- High · CVSS 8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 20.78% · Oct 25, 2026
A flaw was found in mlflow. When the mlflow server is configured with basic authentication and served via uvicorn, an architectural mismatch in the FastAPI permission middleware allows unauthenticated remote attackers to bypass authentication on specific routes. This bypass enables attackers to submit and cancel jobs, read job results, and inject arbitrary trace data into experiments, leading to unauthorized access and potential data manipulation. mlflow: mlflow: Authentication bypass allows unauthorized job management and data injection This Important authentication bypass vulnerability in mlflow does not affect Red Hat products as the vulnerable code is not present. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | mlflow | Not reported | 3.10.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | mlflow | cpe | Not reported | 3.10.0 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: