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CVE PROGRAM SOURCE RECORD7.7 High

CVE-2026-45370

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

universal-tool-calling-protocol python-utcp

  • < 1.1.2affected

References