bunker-admin 1bf19fff0e Security audit: fix 30 findings across auth, IDOR, XSS, path traversal, infrastructure
Comprehensive 6-domain security audit addressing 8 Critical, 17 Important,
and 5 Low findings. Key fixes:

Critical:
- Strip PII from unauthenticated ticket lookup (IDOR)
- Add role+permission checks to event check-in routes
- Validate tier-to-event ownership on update/delete (IDOR)
- Fix path traversal in video replace (resolve + prefix check)
- Enable MongoDB authentication for Rocket.Chat
- Disable Grafana anonymous access
- Sanitize CSV exports against formula injection (payments)
- Apply DOMPurify to richDescription on public event page (XSS)

Important:
- Require current password for self-service password changes
- Atomic password reset token consumption (race condition fix)
- Scope postMessage to specific origin (not wildcard)
- Validate redirect parameter against open redirect
- Replace weak temp passwords (5760 values → crypto.randomBytes)
- Move shift capacity check inside transaction (TOCTOU fix)
- Fix EVENTS_ADMIN privilege inversion in ticketed events
- Make ENCRYPTION_KEY required (remove optional fallback)
- Add internal Prometheus metrics endpoint for Docker scraping
- Add nginx-level rate limiting (limit_req_zone)
- Fix X-Forwarded-For to use $remote_addr (prevents spoofing)
- Replace CSP stripping with frame-ancestors in embed proxies
- Remove error.message from Fastify 500 responses
- Strip PII from volunteer canvass address data
- Wrap GrapesJS output in {% raw %} to prevent Jinja2 SSTI
- Scope SSE token query param to /sse path only
- Sanitize Listmonk email query against injection

Bunker Admin
2026-03-27 08:47:24 -06:00

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server {
listen 80;
server_name api.cmlite.org api.betteredmonton.org api.pridecorner.ca;
add_header X-Frame-Options "SAMEORIGIN" always;
# Media API endpoints (must come BEFORE / for longest prefix match)
location /media/ {
limit_req zone=api_global burst=60 nodelay;
set $upstream_media http://changemaker-media-api:4100/api/;
proxy_pass $upstream_media;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
# Large upload support
client_max_body_size 10G;
proxy_read_timeout 3600s;
proxy_connect_timeout 75s;
proxy_request_buffering off;
# WebSocket support
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
# Main API (Express) — includes WebSocket upgrade for docs collaboration
location / {
limit_req zone=api_global burst=60 nodelay;
set $upstream_api http://changemaker-v2-api:4000;
proxy_pass $upstream_api;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_read_timeout 300s;
proxy_connect_timeout 75s;
# WebSocket support (docs collaboration via Hocuspocus)
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
}