Description (CNA)
Coroot's unauthenticated MCP OAuth dynamic client registration endpoint accepts any syntactically valid redirect URI without validation, allowing attackers to register clients pointing to attacker-controlled hosts. Attackers can send authorization URLs to signed-in users, capture their authorization codes upon consent approval, and exchange them for access tokens to hijack MCP sessions.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| coroot / coroot | affected 1.20.2 through 1.24.5 |
CWE
CWE-601
References
- https://github.com/coroot/coroot
- https://github.com/coroot/coroot/issues/929
- https://github.com/coroot/coroot/blob/v1.24.5/api/mcp_oauth.go
- https://www.vulncheck.com/advisories/coroot-1.20.2-through-1.24.5-unvalidated-redirect-uri-in-mcp-oauth-client-registration
ADP enrichment
No English description supplied.