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🛡️ Sentinel: Add Baseline API Security Headers - #319

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sentinel-api-security-headers-1806426906411189450
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sentinel-api-security-headers-1806426906411189450

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@crabcanon

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🚨 Severity: MEDIUM
💡 Vulnerability: Missing standard API security headers (X-Content-Type-Options, X-Frame-Options, Strict-Transport-Security) in the global API middleware.
🎯 Impact: Without these headers, clients are vulnerable to MIME-sniffing attacks, clickjacking, and lack enforced HTTPS connections.
🔧 Fix: Added nosniff, DENY frame options, and HSTS headers directly to the global response in request_context_middleware.
✅ Verification: Tested against the global health endpoint to ensure headers are injected properly.


PR created automatically by Jules for task 1806426906411189450 started by @crabcanon

Added nosniff, DENY frame options, and HSTS headers directly to the global response in request_context_middleware to enhance baseline security.

Co-authored-by: crabcanon <3458947+crabcanon@users.noreply.github.com>
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vercel Bot commented Oct 22, 2026 •

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