A AegiFlow
CRITICALCVSS 9.8

CVE-2025-13204

CVE-2025-13204 updated by NVD

Modified
2026-11-01
Sources
nvd

Summary

npm package `expr-eval` is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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