PYSEC-2026-2000 Universal Tool Calling Protocol (UTCP) client library for Python vulnerable to Trust Boundary Violation through Manual JSON specification

The vulnerability arises when a client fetches a tools’ JSON specification, known as a Manual, from a remote Manual Endpoint. While a provider may initially serve a benign manual e.g., one defining an HTTP tool call, earning the clients’ trust, a malicious provider can later change the manual to...

CVE-2026-12210

A vulnerability was detected in universal-tool-calling-protocol python-utcp 1.1.0. This affects an unknown function of the component utcp-gql/utcp-websocket. Performing a manipulation results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may b...

CVE-2026-12210

CVE-2026-12210 affects the universal-tool-calling-protocol project, specifically the python-utcp 1.1.0 release, with a vulnerability in the utcp-gql/utcp-websocket component that enables server-side request forgery. The description notes a remote, public exploit and a lack of vendor response. The...

PT-2026-49172

A vulnerability was detected in universal-tool-calling-protocol python-utcp 1.1.0. This affects an unknown function of the component utcp-gql/utcp-websocket. Performing a manipulation results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may b...

Universal Tool Calling Protocol 代码问题漏洞

Universal Tool Calling Protocol is an official Python implementation of the UTCP open-source protocol. Versions prior to 1.1.3 of Universal Tool Calling Protocol had code vulnerabilities, which stemmed from inconsistent trust boundaries and could lead to man-in-the-middle server request forgery...

Universal Tool Calling Protocol 安全漏洞

Universal Tool Calling Protocol is an official python implementation library for UTCP in the Universal Tool Calling Protocol open source. A security vulnerability exists in Universal Tool Calling Protocol that originates when a client obtains the JSON specification of a tool from a remote Manual...