High severity7.7GHSA Advisory· Published May 14, 2026· Updated May 15, 2026
CVE-2026-45370
CVE-2026-45370
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
utcp-cliPyPI | < 1.1.2 | 1.1.2 |
Affected products
1- Range: <= 1.1.1
Patches
Vulnerability mechanics
References
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