Deserialization of untrusted data in MLflow
Priority MEDIUM 41CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
Deserialization of untrusted data can occur in versions of the MLflow platform running version 1.24.0 or newer, enabling a maliciously uploaded pmdarima model to run arbitrary code on an end user’s system when interacted with.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00623 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 | 1.24.0 and later | — | No fix listed | CNA |
| — | mlflow (PyPI) | 1.24.0 – 2.14.1 | — | No fix listed | GHSA-x38x-g6gr-jqff |
- MLflow VendorMLflow Affected 1.24.0 and later Fixed in — No fix listed CNA
- mlflow (PyPI) Vendor— Affected 1.24.0 – 2.14.1 Fixed in — No fix listed GHSA-x38x-g6gr-jqff
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-37055
- 2026-10-03 Alias added: GHSA-x38x-g6gr-jqff
- 2026-11-04 EPSS moved to the 50th–90th percentile
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-2024-37055 · CVE Program
- CVE-2024-37055 · NVD
- FIRST EPSS
- GHSA-x38x-g6gr-jqff · GitHub Advisory Database · CC BY 4.0
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