ZenML up to 0.94.6 CloudpickleMaterializer cloudpickle_materializer.py cloudpickle.load deserialization

Summaryinfo

A vulnerability categorized as critical has been discovered in ZenML up to 0.94.6. The affected element is the function cloudpickle.load of the file cloudpickle_materializer.py of the component CloudpickleMaterializer. Executing a manipulation can lead to deserialization. This vulnerability is tracked as CVE-2026-68772. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ZenML up to 0.94.6. It has been declared as critical. This vulnerability affects the function cloudpickle.load of the file cloudpickle_materializer.py of the component CloudpickleMaterializer. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

ZenML 0.94.6 contains a remote code execution vulnerability in the CloudpickleMaterializer component that allows attackers with write access to a shared artifact store to execute arbitrary code by planting a malicious pickle file. Attackers can replace a stored artifact.pkl file with a crafted cloudpickle payload containing a malicious __reduce__ method, which executes arbitrary system commands when any user or pipeline materializes the artifact through the unsanitized cloudpickle.load() call in cloudpickle_materializer.py.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-68772 since 07/31/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/07/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• ZenML

Version

• 0.94.0
• 0.94.1
• 0.94.2
• 0.94.3
• 0.94.4
• 0.94.5
• 0.94.6

CPE 2.3info

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CPE 2.2info

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