Is shakapacker affected by GHSA-96qw-h329-v5rg?

RubyGems shakapacker is affected in <9.5.0.

Is GHSA-96qw-h329-v5rg being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

high

GHSA-96qw-h329-v5rg

Q: Is GHSA-96qw-h329-v5rg being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

RubyGems · shakapacker

Summary

Shakapacker has environment variable leak via EnvironmentPlugin that exposes secrets to client-side bundles

Severity: high
Published: 2026-01-08

References

https://github.com/shakacode/shakapacker/security/advisories/GHSA-96qw-h329-v5rg
https://github.com/shakacode/shakapacker/pull/857
https://github.com/shakacode/shakapacker/commit/3e06781b18383c5c2857ed3a722f7b91bdc1bc0e

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.