🛡️ Sentinel: [security improvement] Add advanced security headers#90
🛡️ Sentinel: [security improvement] Add advanced security headers#90NickJLange wants to merge 1 commit intomainfrom
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Adds Cross-Origin-Opener-Policy (same-origin) to mitigate cross-origin window interaction attacks (e.g., reverse tabnabbing and spectre). Enhances Strict-Transport-Security (HSTS) with the preload directive to bolster protocol downgrade attack protection. Co-authored-by: NickJLange <1529105+NickJLange@users.noreply.github.com>
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🚨 Severity: ENHANCEMENT
💡 Vulnerability: Missing advanced defense-in-depth HTTP security headers for static site isolation and protocol enforcement.
🎯 Impact: Helps prevent cross-origin window interaction attacks (e.g., reverse tabnabbing, XS-Leaks) by isolating the browsing context with
same-originCOOP, and bolsters HTTPS enforcement with HSTSpreload.🔧 Fix: Appended
preloadto theStrict-Transport-Securityheader and added a newCross-Origin-Opener-Policyheader set tosame-origininrender.yaml.✅ Verification: Build passes successfully, and
python3 scripts/verify_security_fixes.pyconfirms previous python-based security features remain fully intact. Validated formatting ofrender.yaml.PR created automatically by Jules for task 5535954168263382425 started by @NickJLange
Summary by cubic
Adds Cross-Origin-Opener-Policy set to same-origin and enables HSTS preload in render.yaml to harden the app. This isolates the browsing context and strengthens HTTPS enforcement, mitigating reverse tabnabbing and similar XS-Leaks.
Written for commit 31099ad. Summary will update on new commits.