MLflow SHAP load_explainer deserialization RCE before 3.11.2.dev0
CVE-2026-118627 Published on November 3, 2026
MLflow SHAP load_explainer Deserialization of Untrusted Data Remote Code Execution Vulnerability
MLflow SHAP load_explainer 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 loading of SHAP explainer models. 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 user. Was ZDI-CAN-30301.
Vulnerability Analysis
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-118627 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.