deckhearth/.cursor/skills/security-audit/references/owasp-checklist.md

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# OWASP-aligned security checklist (agent reference)
Cite the **layer + item** in findings (e.g. "Layer 2 — IDOR"). Not a substitute for penetration testing.
## Layer 1 — Authentication
- [ ] All non-public API routes call a shared auth helper
- [ ] Login/register/forgot-password rate limited
- [ ] Session/JWT secret from environment; app fails start if missing
- [ ] No long-lived tokens in `localStorage` without documented threat model
- [ ] Password reset tokens single-use + short TTL
- [ ] No credentials in URLs or query strings
## Layer 2 — Authorization
- [ ] Resource IDs in path/body checked against session user/tenant
- [ ] List endpoints filter by ownership — no "return all rows"
- [ ] Admin operations behind explicit admin guard
- [ ] Role checks use server-side source of truth (DB), not client-only flags
- [ ] Bulk operations cannot target arbitrary user IDs
## Layer 3 — Input & injection
- [ ] All POST/PATCH/PUT bodies validated with schema
- [ ] Query params validated/coerced (Zod `z.coerce` or explicit parse)
- [ ] ORM/raw SQL uses parameters only
- [ ] No `dangerouslySetInnerHTML` without DOMPurify or equivalent
- [ ] File paths constructed server-side; no `../` from user input
- [ ] SSRF: server-side fetch URLs not user-controlled to internal IPs
## Layer 4 — Secrets & data
- [ ] No secrets in git history in this diff
- [ ] `NEXT_PUBLIC_` prefix only on truly public values
- [ ] PII minimized in logs and analytics events
- [ ] API responses omit internal IDs when unnecessary
## Layer 5 — Dependencies
- [ ] No new high/critical `npm audit` findings introduced
- [ ] Auth/crypto libs from reputable sources, pinned versions
## Layer 6 — Transport & config
- [ ] Auth cookies: Secure + HttpOnly
- [ ] CORS allowlist explicit for API routes
- [ ] Webhook endpoints verify signatures