CVE-2026-45370
High · 7.7CVSS
7.7
EPSS
0.4%
Published
May 14, 2026
CISA due date
—
The record
python-utcp is the python implementation of UTCP. Prior to 1.1.3, _prepare_environment() in cli_communication_protocol.py passes a full copy of os.environ to every CLI subprocess. When combined with CVE-2026-45369, an attacker can exfiltrate all process-level secrets in a single tool call. This vulnerability is fixed in 1.1.3.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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