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Protect the guardian decisions API key from environment forwarding - #50019
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copyberry[bot] merged 1 commit intoOct 1, 2026
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…50019) ## What changed Add `CODEX_GUARDIAN_DECISIONS_API_KEY` to the non-inheritable environment variables and the HTTP header environment denylist. Case-insensitive filtering removes it from child process environments, including explicit shell policy and command overrides, and rejects its use through `http/request` header `value_env_var`. ## Testing Extend regression coverage for inherited and overridden variables, mixed-case names, and HTTP header rejection before any network request is sent. GitOrigin-RevId: 1adeef814fdccb2d6c77dd68f7a5dfcec0b41cc6
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Protect the guardian decisions API key from environment forwarding
What changed
Add
CODEX_GUARDIAN_DECISIONS_API_KEYto the non-inheritable environment variables and the HTTP header environment denylist. Case-insensitive filtering removes it from child process environments, including explicit shell policy and command overrides, and rejects its use throughhttp/requestheadervalue_env_var.Testing
Extend regression coverage for inherited and overridden variables, mixed-case names, and HTTP header rejection before any network request is sent.