CVE-2026-79786 — Coroot 1.20.2 through 1.24.5 Unvalidated Redirect URI in MCP OAuth Client Registration
Coroot's unauthenticated MCP OAuth dynamic client registration endpoint accepts any syntactically valid redirect URI without validation, allowing attackers to register clients p…
Published: 2026-08-25 · CVSS: 7.0 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7