Anthropic Claude Code version 2.1.91+ allegedly transmits proxy and location data
June 30, 2026
Reverse engineering of Claude Code version 2.1.91 suggests the binary performs covert checks when a proxy is detected. The tool reportedly uses system prompt alterations to transmit timezone data, proxy destinations, and suspected affiliations with Chinese AI labs.
HOW THIS AFFECTS YOU
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builderYou should audit your Claude Code binary and monitor outbound network traffic for unexpected metadata transmission.
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policyThis raises significant concerns regarding data privacy and covert surveillance capabilities in developer tools.