Project-MONAI up to 1.6.0 Auto3DSeg algo_object.json algo_from_json code injection

Summaryinfo

A vulnerability was found in Project-MONAI MONAI up to 1.6.0 and classified as critical. Affected is the function algo_from_json of the file algo_object.json of the component Auto3DSeg. Executing a manipulation can lead to code injection. This vulnerability is handled as CVE-2026-119578. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Project-MONAI MONAI up to 1.6.0. This vulnerability affects the function algo_from_json of the file algo_object.json of the component Auto3DSeg. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

MONAI from 1.6.0 before 1.6.1 contains a remote code execution vulnerability in Auto3DSeg algo_from_json() that allows attackers to run Python code via a crafted work directory's algo_object.json. Attackers can ship a malicious algorithm_templates module plus a _target_ name that is imported and instantiated when victims call AutoRunner or import_bundle_algo_history, executing code under default configuration.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-119578 since 10/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

By approaching the search of inurl:algo_object.json it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.6.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Project Management Software

Vendor

• Project-MONAI

Name

• MONAI

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6.0

Website

• Product: https://github.com/Project-MONAI/MONAI/

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