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CVE-2026-45370

CVE-2026-45370 · python-utcp: Full Process Environment Exposed to CLI Subprocess - Secrets Leakage via Command Injection

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 7.7 · High · EPSS 0.2% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • python-utcp

    Versions
    • < 1.1.2: Affected

    No fix published

  • utcp-cli PyPI

    Versions
    • 1.0.0
    • 1.0.1
    • 1.0.2
    • 1.1.0
    • 1.1.1
    Affected ranges
    • ECOSYSTEM: < 1.1.2

    Update to 1.1.2

Original sources

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