🛡️ CVE-2025-14542 — utcp

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-501 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 exploit the client.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

CVE-2025-14542 is recorded against 2 packages.

  • unknown
  • utcp (fixed in 1.1.0)

Timeline and source

Published on 13 December 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
research.jfrog.com

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-501
Public Exploit ✅ No
Source NVD
Published 2025-12-13
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —
utcp — 1.1.0

Similar Threats

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