CVE-2026-100843

High

Description

MONAI versions before 1.6.0 contain a remote code execution vulnerability in the algo_from_pickle() function due to unsafe pickle.loads() deserialization in monai/auto3dseg/utils.py. Attackers can craft malicious pickle files that execute arbitrary system commands when deserialized by the vulnerable function.

SeverityHigh

CVSS7.8

Exploit probability—

ProductMonai

PublishedSep 27, 2026

First seenSep 27, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

project-monai monai1.6.0 or later
monai1.6.0 or later

Vendor advisories

github.com/Project-MONAI/MONAI/security/advisories/GHSA-qxq5-qhx6-94qw

Affected products

Product	Affected versions	Fixed in
project-monai monai	v < 1.6.0	1.6.0
monaiPyPI	v < 1.6.0	1.6.0

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