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CVE-2026-45370

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

Description (CNA)

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 (CNA)

Vendor / productVersions
universal-tool-calling-protocol / python-utcpaffected < 1.1.2

CWE

CWE-526

References

ADP enrichment

CISA-ADP

No English description supplied.