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πŸ›‘οΈ Sentinel: [HIGH] Fix Insecure CORS Preflight Handling - #33

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sentinel-cors-preflight-fix-659422477714695054
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jackby03 wants to merge 1 commit into
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sentinel-cors-preflight-fix-659422477714695054

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🚨 Severity: HIGH
πŸ’‘ Vulnerability: internal/api/routes.go blindly mapped unauthenticated OPTIONS requests (e.g., OPTIONS /api/v1/auth/login) directly to the business-logic handler s.handleLogin.
🎯 Impact: This allowed unauthenticated preflight requests to execute business logic, bypassing access controls and potentially leading to state modification or information leakage depending on the handler's behavior.
πŸ”§ Fix: Removed method-specific OPTIONS bindings to handlers. Restructured corsMiddleware to wrap the global mux at the server level, cleanly intercepting and resolving all preflight requests securely before routing.
βœ… Verification: Ran go test ./internal/api/... to ensure routing tests pass. Verified compilation with make build. Checked journal at .jules/sentinel.md for learning entry.


PR created automatically by Jules for task 659422477714695054 started by @jackby03

🚨 Severity: HIGH
πŸ’‘ Vulnerability: `internal/api/routes.go` blindly mapped unauthenticated `OPTIONS` requests (e.g., `OPTIONS /api/v1/auth/login`) directly to the business-logic handler `s.handleLogin`.
🎯 Impact: This allowed unauthenticated preflight requests to execute business logic, bypassing access controls and potentially leading to state modification or information leakage depending on the handler's behavior.
πŸ”§ Fix: Removed method-specific `OPTIONS` bindings to handlers. Restructured `corsMiddleware` to wrap the global `mux` at the server level, cleanly intercepting and resolving all preflight requests securely before routing.
βœ… Verification: Ran `go test ./internal/api/...` to ensure routing tests pass. Verified compilation with `make build`. Checked journal at `.jules/sentinel.md` for learning entry.

Co-authored-by: jackby03 <70082129+jackby03@users.noreply.github.com>
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