Deserialization of Untrusted Data in MLflow - CVE-2026-118627
Published: November 3, 2026
Vulnerability identifier: #VU158879
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118627
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data within the loading of SHAP explainer models. A remote attacker can trick a victim to open a specially crafted file or visit a malicious website and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
MLflow
How to mitigate CVE-2026-118627
Install updates from vendor's website.
MLflow - update to 3.17.0