CVE-2026-45370
High
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.
SeverityHigh
CVSS7.7
Exploit probability—
ProductUtcp-cli
PublishedMay 14, 2026
First seenMay 14, 2026
Weakness typeCWE-526CWE-526
How to fix
Update
- utcp-cli1.1.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| utcp-cliPyPI | v < 1.1.2 | 1.1.2 |
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