EUVD-2026-87984

utcp-http before 1.1.4 fails to validate the OAuth2 tokenUrl field from remote OpenAPI specifications, allowing attackers to redirect credential submission to arbitrary endpoints. When a victim registers an attacker-controlled OpenAPI spec and invokes a generated OAuth2-protected tool, the librar...

utcp-http has an OAuth2 `tokenUrl` Trust Boundary Bypass in OpenAPI Conversion

Summary The utcp-http library = 1.1.3 unconditionally trusts the tokenUrl field embedded in remote OpenAPI security schemes. When a victim registers an attacker-controlled OpenAPI spec and invokes any generated OAuth2-protected tool, the library POSTs the victim's clientid and clientsecret to the...

GHSA-8CP3-QXJ6-PX34 utcp-http has an OAuth2 `tokenUrl` Trust Boundary Bypass in OpenAPI Conversion

Summary The utcp-http library = 1.1.3 unconditionally trusts the tokenUrl field embedded in remote OpenAPI security schemes. When a victim registers an attacker-controlled OpenAPI spec and invokes any generated OAuth2-protected tool, the library POSTs the victim's clientid and clientsecret to the...