{"schema_version":1,"title":"Universal Tool Calling Protocol vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Universal Tool Calling Protocol: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, python-utcp localhost prefix validation bypass in utcp-gql and utcp-websocket, was published on 15 June 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/universal-tool-calling-protocol","json_url":"https://junglewise.ai/threats/vendors/universal-tool-calling-protocol.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/universal-tool-calling-protocol","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":0,"all_time":4,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":4},"latest":[{"cvss":6.3,"slug":"python-utcp-localhost-prefix-validation-bypass-in-utcp-gql-and-utcp-cca0bdf1","title":"python-utcp localhost prefix validation bypass in utcp-gql and utcp-websocket","severity":"medium","exploited":false,"published_at":"2026-06-15T03:30:32+00:00","url":"https://junglewise.ai/threats/python-utcp-localhost-prefix-validation-bypass-in-utcp-gql-and-utcp-cca0bdf1"},{"cve":"CVE-2026-12210","cvss":6.3,"epss":0.0023,"slug":"cve-2026-12210-universal-tool-calling-protocol-ssrf-via-localhost-validation","title":"Universal Tool Calling Protocol SSRF via localhost validation bypass","severity":"medium","exploited":false,"published_at":"2026-06-15T03:16:24.33+00:00","url":"https://junglewise.ai/threats/cve-2026-12210-universal-tool-calling-protocol-ssrf-via-localhost-validation"},{"cve":"CVE-2026-45366","cvss":4.7,"epss":0.002,"slug":"cve-2026-45366-typescript-utcp-ssrf-in-utcp-http-via-openapi-spec-redirection","title":"typescript-utcp SSRF in @utcp/http via OpenAPI spec redirection","severity":"medium","exploited":false,"published_at":"2026-05-28T22:17:00.773+00:00","url":"https://junglewise.ai/threats/cve-2026-45366-typescript-utcp-ssrf-in-utcp-http-via-openapi-spec-redirection"},{"cve":"CVE-2026-45369","cvss":10,"epss":0.0035,"slug":"cve-2026-45369-python-utcp-os-command-injection-in-cli-communication-protocol","title":"python-utcp OS command injection in CLI communication protocol","severity":"critical","exploited":false,"published_at":"2026-05-14T21:16:48.22+00:00","url":"https://junglewise.ai/threats/cve-2026-45369-python-utcp-os-command-injection-in-cli-communication-protocol"}],"vendor":{"hub":true,"name":"Universal Tool Calling Protocol","slug":"universal-tool-calling-protocol","homepage":"https://github.com/universal-tool-calling-protocol","description":"Universal Tool Calling Protocol is an open standard for communication between AI agents and external tools.","url":"https://junglewise.ai/threats/vendors/universal-tool-calling-protocol"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-45369","cvss":10,"epss":0.0035,"slug":"cve-2026-45369-python-utcp-os-command-injection-in-cli-communication-protocol","title":"python-utcp OS command injection in CLI communication protocol","severity":"critical","exploited":false,"published_at":"2026-05-14T21:16:48.22+00:00","url":"https://junglewise.ai/threats/cve-2026-45369-python-utcp-os-command-injection-in-cli-communication-protocol"},{"cve":"CVE-2026-12210","cvss":6.3,"epss":0.0023,"slug":"cve-2026-12210-universal-tool-calling-protocol-ssrf-via-localhost-validation","title":"Universal Tool Calling Protocol SSRF via localhost validation bypass","severity":"medium","exploited":false,"published_at":"2026-06-15T03:16:24.33+00:00","url":"https://junglewise.ai/threats/cve-2026-12210-universal-tool-calling-protocol-ssrf-via-localhost-validation"},{"cvss":6.3,"slug":"python-utcp-localhost-prefix-validation-bypass-in-utcp-gql-and-utcp-cca0bdf1","title":"python-utcp localhost prefix validation bypass in utcp-gql and utcp-websocket","severity":"medium","exploited":false,"published_at":"2026-06-15T03:30:32+00:00","url":"https://junglewise.ai/threats/python-utcp-localhost-prefix-validation-bypass-in-utcp-gql-and-utcp-cca0bdf1"},{"cve":"CVE-2026-45366","cvss":4.7,"epss":0.002,"slug":"cve-2026-45366-typescript-utcp-ssrf-in-utcp-http-via-openapi-spec-redirection","title":"typescript-utcp SSRF in @utcp/http via OpenAPI spec redirection","severity":"medium","exploited":false,"published_at":"2026-05-28T22:17:00.773+00:00","url":"https://junglewise.ai/threats/cve-2026-45366-typescript-utcp-ssrf-in-utcp-http-via-openapi-spec-redirection"}],"generated_at":"2026-09-26T13:07:00.120236+00:00","technologies":[{"name":"Universal Tool Calling Protocol Python-Utcp","slug":"python-utcp","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/python-utcp"}]}