MLflow Weak Password Requirements Authentication Bypass Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-521.
Summary
MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords. The issue results from weak password requirements. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26916.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | 2.21.0 | — | No fix listed | CNA |
| — | mlflow (PyPI) | before 2.22.0rc0 | 2.22.0rc0 | Patch available | GHSA-6xj8-rrqx-r4cv |
- MLflow VendorMLflow Affected 2.21.0 Fixed in — No fix listed CNA
- mlflow (PyPI) Vendor— Affected before 2.22.0rc0 Fixed in 2.22.0rc0 Patch available GHSA-6xj8-rrqx-r4cv
Remediation
- Fix · GHSA-6xj8-rrqx-r4cv mlflow (PyPI) Fixed in 2.22.0rc0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11200
- 2026-10-03 Alias added: GHSA-6xj8-rrqx-r4cv
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-2025-11200 · CVE Program
- CVE-2025-11200 · NVD
- FIRST EPSS
- GHSA-6xj8-rrqx-r4cv · GitHub Advisory Database · CC BY 4.0
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