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Product · universal-tool-calling-protocol

python-utcp

9 known vulnerabilities.

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  • High 7.1

    utcp-http before 1.1.4 OAuth2 tokenUrl Trust Boundary Bypass

    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 gener…

  • High 8.2

    python-utcp before 1.1.4 SSRF via unvalidated HTTP redirects

    python-utcp versions before 1.1.4 contain a server-side request forgery vulnerability in HttpCommunicationProtocol.call_tool that validates the initial tool URL but follows HTTP redirects without re-validating the target. Attackers controlling a tool endpoint…

  • High 8.3

    python-utcp: Command Injection via Unsanitized Argument Substitution in CLI Communication Protocol

    python-utcp is the python implementation of UTCP. Prior to 1.1.3, the _substitute_utcp_args method in cli_communication_protocol.py inserts user-controlled tool_args values directly into shell command strings without any sanitization or escaping. These comman…

  • High 7.7

    python-utcp: Full Process Environment Exposed to CLI Subprocess - Secrets Leakage via Command Injection

    python-utcp is the python implementation of UTCP. Prior to 1.1.3, _prepare_environment() in cli_communication_protocol.py passes a full copy of os.environ to every CLI subprocess. When combined with CVE-2026-45369, an attacker can exfiltrate all process-level…