Security audit: fix 25 findings across API, nginx, and Docker
Addresses data exposure, access control, input validation, infrastructure
hardening, and supply chain security issues identified during audit.
Key changes:
- Strip internal fields from public campaign/profile/comment endpoints
- Restrict docs routes to CONTENT_ROLES, provisioning to SUPER_ADMIN
- Add SSE connection limits, social middleware fail-closed behavior
- Bind all non-nginx ports to 127.0.0.1, pin container image versions
- Add CSP header, conditional HSTS, token redaction in nginx logs
- Validate nav URLs, calendar schemas, video tracking batch events
- Reject default admin password placeholder, add SSRF protocol checks
- Exclude .env from Code Server, enforce RC admin password in compose
- Add Zod validation for achievement grant/revoke, webhook secret header
- Fix path traversal prefix attack, add calendar token expiry
Bunker Admin