GHSA-4vcf-q4xf-f48m: Better Auth Passkey Plugin allows passkey deletion through IDOR

November 25, 2025

Affected versions of the better-auth passkey plugin allow users with any valid session to delete arbitrary passkeys via their ID using POST /passkey/delete-passkey.

References

github.com/advisories/GHSA-4vcf-q4xf-f48m
github.com/better-auth/better-auth
github.com/better-auth/better-auth/commit/06d68239e
github.com/better-auth/better-auth/security/advisories/GHSA-4vcf-q4xf-f48m

Code Behaviors & Features

Detect and mitigate GHSA-4vcf-q4xf-f48m with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →