BBUGFLARE

Public library

Cybersecurity articles

Automated coverage from researcher feeds — text + code extraction, no thumbnails. Sort by recent, popular, or trending.

GitHub Advisories35
Medplum: Improper Validation of Redirect URI in External Auth Callback allows Authorization Code Leakage

## Summary The external identity provider callback at `GET /auth/external` accepts attacker-controlled redirect URIs that only need to start with a registered client redirect URI, rather than matching exactly. After a successful external IdP login, the server appends Medplum `login` and `code` va...

Read →

Prefer original Bugflare research? Browse writeups