CVE-2026-45369
High · 8.3CVSS
8.3
EPSS
0.4%
Published
May 14, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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