Description
MLflow's dspy flavor, versions >= 2.0, applies the MLFLOW_ALLOW_PICKLE_DESERIALIZATION=False security control only when the model_path ends in .pkl, which allows a remote attacker to execute arbitrary code via a crafted MLmodel artifact.
Published: 2026-09-23
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

References
History

Wed, 23 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Mlflow
Mlflow mlflow
Vendors & Products Mlflow
Mlflow mlflow
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 23 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502

Wed, 23 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description MLflow's dspy flavor, versions >= 2.0, applies the MLFLOW_ALLOW_PICKLE_DESERIALIZATION=False security control only when the model_path ends in .pkl, which allows a remote attacker to execute arbitrary code via a crafted MLmodel artifact.
Title MLflow dspy bypasses pickle deserialization control
References

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2026-09-23T17:22:35.232Z

Reserved: 2026-09-23T16:17:27.934Z

Link: CVE-2026-96775

cve-icon Vulnrichment

Updated: 2026-09-23T17:22:20.026Z

cve-icon NVD

Status : Deferred

Published: 2026-09-23T17:17:25.407

Modified: 2026-09-23T18:17:12.323

Link: CVE-2026-96775

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-23T18:15:07Z

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data