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High severity7.8OSV Advisory· Published Jan 1, 2026· Updated Apr 15, 2026

CVE-2025-11157

CVE-2025-11157

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.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
feastPyPI
< 0.54.00.54.0

Affected products

1

Patches

1
b2e37ff37953

chore: Use Safeload (#5643)

https://github.com/feast-dev/feastFrancisco ArceoSep 29, 2025via ghsa
commit
2 files changed · +3 −3
  • sdk/python/feast/infra/compute_engines/kubernetes/main.py+2 −2 modified
    @@ -67,10 +67,10 @@ def run(self):
     logging.basicConfig(level=logging.INFO)
 
     with open("/var/feast/feature_store.yaml") as f:
-        feast_config = yaml.load(f, Loader=yaml.Loader)
+        feast_config = yaml.safe_load(f)
 
         with open("/var/feast/materialization_config.yaml") as b:
-            materialization_cfg = yaml.load(b, Loader=yaml.Loader)
+            materialization_cfg = yaml.safe_load(b)
 
             config = RepoConfig(**feast_config)
             store = FeatureStore(config=config)
  • sdk/python/feast/protos/feast/core/FeatureService_pb2.pyi+1 −1 modified
    @@ -71,7 +71,7 @@ class FeatureServiceSpec(google.protobuf.message.Message):
     """Name of Feast project that this Feature Service belongs to."""
     @property
     def features(self) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[feast.core.FeatureViewProjection_pb2.FeatureViewProjection]:
-        """Represents a projection that's to be applied on top of the FeatureView.
+        """Represents a projection that's to be applied on top of the FeatureView.

         Contains data such as the features to use from a FeatureView.
         """
     @property

Vulnerability mechanics

Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

5

News mentions

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