Express ressource injection

express Updated 02 Oct 2025

Summary

29/10/2024
Yes i
Moderate
4.0

CVE-2024-10491: Express ressource injection. Affects express versions < 4.0.0-rc1. Fixed in 4.0.0-rc1. How to fix ↓

Also tracked for

The same CVE-2024-10491 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

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A vulnerability has been identified in the Express response.links function, allowing for arbitrary resource injection in the Link header when unsanitized data is used.

The issue arises from improper sanitization in Link header values, which can allow a combination of characters like ,, ;, and <> to preload malicious resources.

This vulnerability is especially relevant for dynamic parameters.

How To Fix

Minimum fixed version

4.0.0-rc1

This is the first release that contains the fix.

npm install express@4.0.0-rc1

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How To Fix

Minimum fixed version

4.0.0-rc1

This is the first release that contains the fix.

npm install express@4.0.0-rc1

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