{"id":"CVE-2025-14542","summary":"Command execution in python-utcp allows attackers to achieve remote code execution when fetching a remote Manual from a malicious endpoint","details":"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 exploit the client.","aliases":["GHSA-75mj-4g74-9rg2","PYSEC-2026-2000"],"modified":"2026-08-13T11:45:12.715541370Z","published":"2025-12-13T09:59:41.376Z","database_specific":{"cna_assigner":"JFROG","cwe_ids":["CWE-501"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/14xxx/CVE-2025-14542.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"fixed":"1.1.0"}]}]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/14xxx/CVE-2025-14542.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14542"},{"type":"ADVISORY","url":"https://research.jfrog.com/vulnerabilities/python-utcp-untrusted-manual-command-execution-jfsa-2025-001648329/"},{"type":"FIX","url":"https://github.com/universal-tool-calling-protocol/python-utcp/commit/2dc9c02df72cad3770c934959325ec344b441444"},{"type":"PACKAGE","url":"https://pypi.org/project/pip"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/universal-tool-calling-protocol/python-utcp","events":[{"introduced":"0"},{"fixed":"2dc9c02df72cad3770c934959325ec344b441444"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-14542.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}