Vulnerabilities CVE-2026-45370

CVE-2026-45370

High

Open

TLP:CLEAR

python-utcp: Full Process Environment Exposed to CLI Subprocess - Secrets Leakage via Command Injection

NVD CVE.org

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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.

Details

CVSS Score: 7.7
EPSS Score ⓘ: 0.22%

13.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Confidence: 90%
Published: May 14, 2026
Last Modified: May 14, 2026

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