CVE-2026-45369

HighCVSS 8.3/10Last modified Jun 17, 2026

Description

python-utcp is the python implementation of UTCP. Prior to 1.1.3, the _substitute_utcp_args method in cli_communication_protocol.py inserts user-controlled tool_args values directly into shell command strings without any sanitization or escaping. These commands are then executed via /bin/bash -c (Unix) or powershell.exe -Command (Windows), allowing an attacker to inject arbitrary shell commands. This vulnerability is fixed in 1.1.3.

Metrics

CVSS 3.1 8.3/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

No affected versions have been published.

Timeline

Published: May 14, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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