MLflow SHAP load_explainer bug allows RCE (CVE-2026-118627)
Original title: ZDI-26-843: MLflow SHAP load_explainer Deserialization of Untrusted Data Remote Code Execution Vulnerability
ZDI rates the deserialization flaw 7.8 and says the victim must open a malicious page or file.
The Zero Day Initiative published ZDI-26-843, a deserialization-of-untrusted-data flaw in MLflow's SHAP load_explainer. Remote attackers can execute arbitrary code on affected MLflow installations if a user visits a malicious page or opens a malicious file. ZDI assigned CVE-2026-118627 and a CVSS score of 7.8. The advisory snippet does not name fixed versions or known attacks.
Unconfirmed: No affected or fixed versions, and no exploitation status, are stated in the advisory snippet.
- Exploitation requires the target to visit a malicious page or open a malicious file.
- ZDI assigned CVSS 7.8.
- The tracked identifier is CVE-2026-118627.
Impact: Remote code execution after a user opens malicious content
| Product | Affected |
|---|---|
| MLflow | — |
- CVEs
- CVE-2026-118627
- Products
- MLflow
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-118627 | — | — | — |
From the original article
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 ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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