Express ressource injection
Summary
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
- node-express · Debian:11
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
Latest published version: 5.3.0 as of 22 Oct 2026
npm install express@5.3.0Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
4.0.0-rc1
This is the first release that contains the fix.
npm install express@4.0.0-rc1Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
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