CVE-2026-45370

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CVSS 3.1

7.7 high

EPSS

<1%p13

Published

May 14, 2026 (May 14, 2026)

Modified

Jun 17, 2026

Description

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.

Weakness: CWE-526
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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