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python-utcp vulnerabilities

CVEs whose affected-version data names the python-utcp package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

5 CVEsRSS

CVE-2026-101058Medium· 6.9
today

python-utcp (pip package utcp-http) before 1.1.12 does not verify whether tool URLs declared in a hand-written UTCP manual point at the agent's own loopback interface when that manual is discovered from a remote, non-loopback origin

python-utcp (pip package utcp-http) before 1.1.12 does not verify whether tool URLs declared in a hand-written UTCP manual point at the agent's own loopback interface when that manual is discovered from a remote, non-loopback origin. Bec…

▾ Sunlituniversal-tool-calling-protocol · python-utcpvia NVD
CVE-2026-101060High· 8.2
today

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

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 contr…

▾ Twilightuniversal-tool-calling-protocol · python-utcpvia NVD
CVE-2026-101057Low· 3.1
today

utcp-mcp (the MCP plugin of python-utcp) through 1.1.2 connects to the HTTP and WebSocket MCP server URLs given in a call template's mcpServers configuration without the ensure_secure_url validation that the HTTP-family plugins apply, so…

utcp-mcp (the MCP plugin of python-utcp) through 1.1.2 connects to the HTTP and WebSocket MCP server URLs given in a call template's mcpServers configuration without the ensure_secure_url validation that the HTTP-family plugins apply, so…

▾ Sunlituniversal-tool-calling-protocol · python-utcpvia NVD
CVE-2026-101061Medium· 4.7
today

utcp-gql before 1.1.1 and utcp-websocket before 1.1.1 contain server-side request forgery vulnerabilities due to incomplete application of CVE-2026-44661 fixes

utcp-gql before 1.1.1 and utcp-websocket before 1.1.1 contain server-side request forgery vulnerabilities due to incomplete application of CVE-2026-44661 fixes. The GraphQL plugin uses a vulnerable prefix check allowing bypass URLs like …

▾ Sunlituniversal-tool-calling-protocol · python-utcpvia NVD
CVE-2026-101059High· 7.1
today

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

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 sp…

▾ Twilightuniversal-tool-calling-protocol · python-utcpvia NVD
python-utcp vulnerabilities (CVEs) · VulnSea