CVE-2026-2635 — Vulnerability in mlflow — CVE Details
MLflow Use of Default Password Authentication Bypass Vulnerability
Summary
Advisory Timeline
- First published February 21, 2026 (233 days ago).
- Last revised September 10, 2026 — 201 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
pip install "mlflow>=3.8.0rc0"
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (1)
Affects 1 ecosystem: pypi (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| mlflow | pypi | 0.0.1, 0.1.0, 0.2.0, 0.2.1 (+161 more) | 3.8.0rc0 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-1393
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-2635ADVISORY
- https://github.com/mlflow/mlflow/pull/19260WEB
- https://github.com/mlflow/mlflow/commit/5bf2ec2bd4222a18d78631183ac7f6b752afe8a4WEB
- https://github.com/mlflow/mlflowPACKAGE
- https://github.com/mlflow/mlflow/releases/tag/v3.8.0rc0WEB
- https://www.zerodayinitiative.com/advisories/ZDI-26-111WEB
Frequently Asked Questions
- What is CVE-2026-2635?
- MLflow Use of Default Password Authentication Bypass Vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
- How do I check if my project is affected by CVE-2026-2635?
- CVE-2026-2635 affects mlflow. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-2635 and 200,000+ other known vulnerabilities.
Severity & Exploitability
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
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