HIGH 7.0 NVD
CVE-2026-79786
Coroot's unauthenticated MCP OAuth dynamic client registration endpoint accepts any syntactically valid redirect URI without validation, allowing attackers to r
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.
References
- https://github.com/coroot/coroot
- https://github.com/coroot/coroot/blob/v1.24.5/api/mcp_oauth.go
- https://github.com/coroot/coroot/issues/929
- https://www.vulncheck.com/advisories/coroot-1.20.2-through-1.24.5-unvalidated-redirect-uri
This high severity vulnerability with a CVSS score of 7.0 was published on 2026-08-25 via NVD.
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