Weak Password Requirements in mlflow/mlflow
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-521.
Summary
In mlflow/mlflow version 2.18, an admin is able to create a new user account without setting a password. This vulnerability could lead to security risks, as accounts without passwords may be susceptible to unauthorized access. Additionally, this issue violates best practices for secure user account management. The issue is fixed in version 2.19.0.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MLflow | mlflow/mlflow | before 2.19.0 | 2.19.0 | Patch available | CNA |
| — | mlflow (PyPI) | before 2.19.0 | 2.19.0 | Patch available | GHSA-4rj2-9gcx-5qhx |
- mlflow/mlflow VendorMLflow Affected before 2.19.0 Fixed in 2.19.0 Patch available CNA
- mlflow (PyPI) Vendor— Affected before 2.19.0 Fixed in 2.19.0 Patch available GHSA-4rj2-9gcx-5qhx
Remediation
- Fix · CNA mlflow/mlflow (mlflow) Fixed in 2.19.0
- Fix · GHSA-4rj2-9gcx-5qhx mlflow (PyPI) Fixed in 2.19.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1474
- 2026-10-03 Alias added: GHSA-4rj2-9gcx-5qhx
References
More Mlflow vulnerabilities
- TI-2026-46366 Server-side request forgery in mlflow KEVCVSS 3.1CRITICAL 9.3
- TI-2023-03518 Absolute Path Traversal in mlflow/mlflow CVSS 3.1CRITICAL 10.0
- TI-2023-01113 Path Traversal: '\..\filename' in mlflow/mlflow CVSS 3.1CRITICAL 9.8
- TI-2025-14028 Command Injection in mlflow/mlflow CVSS 3.1CRITICAL 10.0
- TI-2023-05540 MLflow Authentication Bypass CVSS 3.1CRITICAL 9.8
- TI-2023-02603 Path Traversal: '\..\filename' in mlflow/mlflow CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-1474 · CVE Program
- CVE-2025-1474 · NVD
- FIRST EPSS
- GHSA-4rj2-9gcx-5qhx · GitHub Advisory Database · CC BY 4.0
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