Monai Before 1.5.2 Remote Code Execution Via Pickle Deserialization

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Monai Before 1.5.2 Remote Code Execution Via Pickle Deserialization

www.vulncheck.com • September 27, 2026

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple MONAI Vulnerabilities Lead to Remote Code Execution Risks A series of vulnerabilities affecting MONAI versions prior to 1.6.0 have been disclosed, allowing for remote code execution (RCE) through various attack vectors including OS command injection and pickle deserialization. The vulnerabilities include CVE-2026-1234, CVE-2026-1235, and CVE-2026-1236, impacting users who utilize MONAI for medical imaging and AI applications. Attackers can exploit these vulnerabilities via specially crafted dataset names, attribute chains, or configuration files. The affected versions are MONAI 1.5.2 and earlier, with the latest version 1.6.0 addressing some of these issues. Security advisories have been issued, urging immediate updates to mitigate risks. The scope of impact is significant, given MONAI's use in healthcare and research environments. Current status indicates that exploitation is possible, with proof-of-concept code available for some vulnerabilities. 7 sources 65

Extracted Entities

Attack Types (1)

Remote Code Execution

CWE Weaknesses (1)

Cwe-502 - Deserialization Of Untrusted Data

MITRE ATT&CK (1)

T1203 - Exploitation for Client Execution

Vulnerabilities (1)

Pickle Deserialization Vulnerability