CVE-2026-68772

High

Description

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.

SeverityHigh

CVSS8.0

Exploit probability—

ProductZenML

PublishedAug 7, 2026

First seenAug 7, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Patches

github.com/zenml-io/zenml/commit/bbf8496d049a7e23800bc31b87b10b4fefbebe18

Affected products

Product	Affected versions	Fixed in
ZenML ZenML	v ≤ 0.94.6	—

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