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Critical severity9.8NVD Advisory· Published Jul 26, 2023· Updated Jun 17, 2026

CVE-2023-38647

CVE-2023-38647

Description

An attacker can use SnakeYAML to deserialize java.net.URLClassLoader and make it load a JAR from a specified URL, and then deserialize javax.script.ScriptEngineManager to load code using that ClassLoader. This unbounded deserialization can likely lead to remote code execution. The code can be run in Helix REST start and Workflow creation.

Affect all the versions lower and include 1.2.0.

Affected products: helix-core, helix-rest

Mitigation: Short term, stop using any YAML based configuration and workflow creation. Long term, all Helix version bumping up to 1.3.0

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.apache.helix:helix-coreMaven
< 1.3.01.3.0
org.apache.helix:helix-restMaven
< 1.3.01.3.0

Affected products

138

Patches

Vulnerability mechanics

References

5

News mentions

0

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