Vulnerability library
Security checkMay 02, 2025

Information Disclosure via Flags override link

Understand the exposure, see the recommended fix, and check whether your own website has related weaknesses.

Medium severitynpm@vercel/flags

Check your website

Find this and other vulnerabilities with a free scan.

Your scan runs on your computer. No account required.

Description

An information disclosure vulnerability affecting Flags SDK has been addressed. It impacted flags ≤3.2.0 and @vercel/flags ≤3.1.1 and in certain circumstances, allowed a bad actor with detailed knowledge of the vulnerability to list all flags returned by the flags discovery endpoint (.well-known/vercel/flags).

Recommendation

No fix is available yet. Followings are affected versions:

  • <= 3.1.1

References

Could your website be exposed too?

SmartScanner can check your website for Information Disclosure via Flags override link and gives you actionable findings to investigate.

Start a free scan

Related Issues

See something that needs correcting? Let us knowUpdated May 02, 2025