{"id":"CVE-2025-14542","title":"The vulnerability arises when a client fetches a tools’ JSON specification, known as a Manual, from a remote Manual Endpoint","summary":"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 client…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-501"],"vendor":"utcp","product":"utcp","affected":["utcp < 1.1.0"],"patched":["utcp 1.1.0"],"published":"2025-12-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-14542","references":[{"url":"https://github.com/universal-tool-calling-protocol/python-utcp/commit/2dc9c02df72cad3770c934959325ec344b441444","label":"reefs@jfrog.com"},{"url":"https://research.jfrog.com/vulnerabilities/python-utcp-untrusted-manual-command-execution-jfsa-2025-001648329/","label":"reefs@jfrog.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14542"},{"url":"https://github.com/universal-tool-calling-protocol/python-utcp"},{"url":"https://research.jfrog.com/vulnerabilities/python-utcp-untrusted-manual-command-execution-jfsa-2025-001648329"}],"tags":["nvd","osv","pip"],"epss":0.00264,"epssPercentile":0.18255,"aliases":["GHSA-75mj-4g74-9rg2","PYSEC-2026-2000"],"ecosystem":"pip","ingestedAt":"2026-07-08T18:25:46.776Z","slug":"CVE-2025-14542","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2025-14542)\n\nAffected packages:\n\n- `utcp < 1.1.0`\n\nPatched in:\n\n- `utcp 1.1.0`\n\nSource: https://osv.dev/vulnerability/GHSA-75mj-4g74-9rg2","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}