CVE-2026-118623 PUBLISHED

MLflow PickleEvaluationArtifact Deserialization of Untrusted Data Remote Code Execution Vulnerability

Assigner: zdi
Reserved: 28.10.2026 Published: 03.11.2026 Updated: 03.11.2026

MLflow PickleEvaluationArtifact Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of pickle files. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29513.

Metrics

CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.8

Product Status

Vendor MLflow
Product MLflow
Versions Default: unknown
  • Version 3.10.1 is affected

References

Problem Types

  • CWE-502: Deserialization of Untrusted Data CWE