GHSA-34wm-4hw7-qfjv: Feast vulnerable to Deserialization of Untrusted Data

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1. GitHub Advisory Database
2. GitHub Reviewed
3. CVE-2025-11157

Feast vulnerable to Deserialization of Untrusted Data

High severity GitHub Reviewed Published Jan 1, 2026 to the GitHub Advisory Database • Updated Jan 2, 2026

Affected versions

< 0.54.0

Description

A high-severity remote code execution vulnerability exists in feast-dev/feast version 0.53.0, specifically in the Kubernetes materializer job located at feast/sdk/python/feast/infra/compute_engines/kubernetes/main.py. The vulnerability arises from the use of yaml.load(…, Loader=yaml.Loader) to deserialize /var/feast/feature_store.yaml and /var/feast/materialization_config.yaml. This method allows for the instantiation of arbitrary Python objects, enabling an attacker with the ability to modify these YAML files to execute OS commands on the worker pod. This vulnerability can be exploited before the configuration is validated, potentially leading to cluster takeover, data poisoning, and supply-chain sabotage.

References

• https://nvd.nist.gov/vuln/detail/CVE-2025-11157
• feast-dev/feast@b2e37ff
• https://huntr.com/bounties/46d4d585-b968-4a76-80ce-872bc5525564
• feast-dev/feast#5643

Published to the GitHub Advisory Database

Jan 1, 2026