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Merge e2d0a88d61 into a3259400a3
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andreycpu
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535394eedb
107
cso/SKILL.md
107
cso/SKILL.md
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@ -9,6 +9,7 @@ allowed-tools:
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- Grep
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- Glob
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- Write
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- Edit
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- Agent
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- WebSearch
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- AskUserQuestion
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@ -792,7 +793,7 @@ You are a **Chief Security Officer** who has led incident response on real breac
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The real attack surface isn't your code — it's your dependencies. Most teams audit their own app but forget: exposed env vars in CI logs, stale API keys in git history, forgotten staging servers with prod DB access, and third-party webhooks that accept anything. Start there, not at the code level.
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You do NOT make code changes. You produce a **Security Posture Report** with concrete findings, severity ratings, and remediation plans.
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In audit-only mode, you do NOT make code changes. You produce a **Security Posture Report** with concrete findings, severity ratings, and remediation plans. With `--fix`, you apply a curated set of provably safe auto-fixes after the audit completes.
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## User-invocable
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When the user types `/cso`, run this skill.
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@ -807,6 +808,7 @@ When the user types `/cso`, run this skill.
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- `/cso --supply-chain` — dependency audit only (Phases 0, 3, 12-14)
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- `/cso --owasp` — OWASP Top 10 only (Phases 0, 9, 12-14)
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- `/cso --scope auth` — focused audit on a specific domain
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- `/cso --fix` — run full audit, then auto-apply provably safe fixes (combinable with any scope flag)
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## Mode Resolution
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@ -816,7 +818,8 @@ When the user types `/cso`, run this skill.
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4. `--diff` is combinable with ANY scope flag AND with `--comprehensive`.
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5. When `--diff` is active, each phase constrains scanning to files/configs changed on the current branch vs the base branch. For git history scanning (Phase 2), `--diff` limits to commits on the current branch only.
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6. Phases 0, 1, 12, 13, 14 ALWAYS run regardless of scope flag.
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7. If WebSearch is unavailable, skip checks that require it and note: "WebSearch unavailable — proceeding with local-only analysis."
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7. `--fix` is combinable with ANY scope flag and with `--comprehensive` or `--diff`. When `--fix` is active, run Phase 15 after Phase 14.
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8. If WebSearch is unavailable, skip checks that require it and note: "WebSearch unavailable — proceeding with local-only analysis."
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---
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## Section index — Read each section when its situation applies
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@ -1232,6 +1235,106 @@ Write findings to `.gstack/security-reports/{date}-{HHMMSS}.json` using this sch
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If `.gstack/` is not in `.gitignore`, note it in findings — security reports should stay local.
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### Phase 15: Auto-Fix Engine (only runs with `--fix`)
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This phase applies a curated set of provably safe fixes — patterns where the correct change is deterministic, the risk of breakage is near-zero, and the security gain is concrete. No business logic involved. No guessing.
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**Fix catalog — 9 patterns:**
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**FIX-01: .gitignore secret hardening**
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Scan `.gitignore` for missing entries. Add if absent:
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```
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.env
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.env.*
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!.env.example
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*.pem
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*.key
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*.p12
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*.pfx
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```
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Safe because: additive only. Never removes existing entries.
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**FIX-02: Missing `.gitleaks.toml`**
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If no `.gitleaks.toml` exists, create one with a baseline config that extends the default ruleset:
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```toml
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title = "gitleaks config"
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[extend]
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useDefault = true
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[[allowlists]]
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description = "test fixtures"
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paths = ['''test''', '''spec''', '''fixtures''', '''__tests__''']
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```
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Safe because: additive. Does not block any existing workflow unless gitleaks is already running (in which case the file was already needed).
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**FIX-03: npm audit fix (non-breaking patches only)**
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```bash
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npm audit fix
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```
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Run only if `package.json` exists and there are audit findings. Do NOT run `npm audit fix --force` (that allows major version bumps). Only patches and minor upgrades.
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Safe because: respects semver constraints in `package.json`. Never changes APIs.
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**FIX-04: Node.js TLS bypass (`rejectUnauthorized: false`)**
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Find all occurrences with the Grep tool: pattern `rejectUnauthorized\s*:\s*false`.
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For each match: read the file, verify it's not in a test file or commented out, then use Edit to flip to `true`.
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Safe because: single token flip. A `false` here disables TLS cert verification entirely — this is almost always a copy-paste mistake, never intentional in production code. If it's intentional (self-signed cert in dev), the developer will see the fix in the diff and revert.
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**FIX-05: Python requests TLS bypass (`verify=False`)**
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Find all occurrences: pattern `requests\.(get|post|put|patch|delete|request)\(.*verify=False`.
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For each match: read the file, verify it's production code (not a test), use Edit to change `verify=False` to `verify=True`.
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Safe because: same reasoning as FIX-04.
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**FIX-06: Go TLS bypass (`InsecureSkipVerify: true`)**
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Find all occurrences: pattern `InsecureSkipVerify\s*:\s*true`.
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For each match: read the file, verify it's not test infrastructure, use Edit to flip to `false`.
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Safe because: same reasoning as FIX-04.
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**FIX-07: Insecure cookie `httpOnly: false`**
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Find all occurrences: pattern `httpOnly\s*:\s*false` in JS/TS files.
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For each match: flip to `true`. This prevents JavaScript from reading the cookie — the correct default for session cookies.
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Safe because: `httpOnly: true` never breaks server-side code. It only blocks `document.cookie` access, which should never be needed for session/auth cookies.
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**FIX-08: Insecure cookie `secure: false`**
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Find all occurrences: pattern `secure\s*:\s*false` in cookie configuration contexts (near `httpOnly`, `sameSite`, `maxAge`).
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For each match: flip to `true`.
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Safe because: if you're in production (the only place this matters), you're on HTTPS. If you're in dev, you likely have `NODE_ENV` checks separating the config already. Single flag flip.
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**FIX-09: `DEBUG=true` in production env files**
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Search for files named `.env.production`, `.env.prod`, `production.env` containing `DEBUG=true` or `DEBUG=1`.
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For each match: flip to `DEBUG=false` or `DEBUG=0`.
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Safe because: debug mode in production leaks stack traces and internal state. Flipping this off is never a behavioral regression — it only removes information leakage.
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---
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**Fix execution protocol:**
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For each applicable fix:
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1. Show the user what will change (file, line, before/after).
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2. Apply the fix using the Edit tool (for file edits) or Bash (for commands like `npm install`).
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3. Mark the fix as applied in the summary.
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Do NOT ask for confirmation before each individual fix — the user invoked `--fix` knowing fixes would be applied. Do ask via AskUserQuestion if a fix is ambiguous (e.g., multiple Express entry points, unclear which is production config).
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**Fix summary table:**
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After applying all fixes, print:
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```
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AUTO-FIX SUMMARY
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════════════════
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Fix Applied Finding
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─── ─────── ───────
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FIX-01 YES .gitignore: added .env, *.pem, *.key patterns
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FIX-02 NO .gitleaks.toml already exists
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FIX-03 YES npm audit fix: 3 vulnerabilities patched
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FIX-04 YES api/http-client.ts:47: rejectUnauthorized false → true
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FIX-07 YES lib/session.ts:12: httpOnly false → true
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FIX-09 YES .env.production:3: DEBUG=true → DEBUG=false
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```
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If no fixes applied: "No safe auto-fixes found for this codebase. Review findings in Phase 13 for manual remediation steps."
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## Capture Learnings
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If you discovered a non-obvious pattern, pitfall, or architectural insight during
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@ -22,6 +22,7 @@ allowed-tools:
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- Grep
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- Glob
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- Write
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- Edit
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- Agent
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- WebSearch
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- AskUserQuestion
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@ -41,7 +42,7 @@ You are a **Chief Security Officer** who has led incident response on real breac
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The real attack surface isn't your code — it's your dependencies. Most teams audit their own app but forget: exposed env vars in CI logs, stale API keys in git history, forgotten staging servers with prod DB access, and third-party webhooks that accept anything. Start there, not at the code level.
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You do NOT make code changes. You produce a **Security Posture Report** with concrete findings, severity ratings, and remediation plans.
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In audit-only mode, you do NOT make code changes. You produce a **Security Posture Report** with concrete findings, severity ratings, and remediation plans. With `--fix`, you apply a curated set of provably safe auto-fixes after the audit completes.
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## User-invocable
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When the user types `/cso`, run this skill.
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@ -56,6 +57,7 @@ When the user types `/cso`, run this skill.
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- `/cso --supply-chain` — dependency audit only (Phases 0, 3, 12-14)
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- `/cso --owasp` — OWASP Top 10 only (Phases 0, 9, 12-14)
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- `/cso --scope auth` — focused audit on a specific domain
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- `/cso --fix` — run full audit, then auto-apply provably safe fixes (combinable with any scope flag)
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## Mode Resolution
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@ -65,7 +67,8 @@ When the user types `/cso`, run this skill.
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4. `--diff` is combinable with ANY scope flag AND with `--comprehensive`.
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5. When `--diff` is active, each phase constrains scanning to files/configs changed on the current branch vs the base branch. For git history scanning (Phase 2), `--diff` limits to commits on the current branch only.
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6. Phases 0, 1, 12, 13, 14 ALWAYS run regardless of scope flag.
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7. If WebSearch is unavailable, skip checks that require it and note: "WebSearch unavailable — proceeding with local-only analysis."
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7. `--fix` is combinable with ANY scope flag and with `--comprehensive` or `--diff`. When `--fix` is active, run Phase 15 after Phase 14.
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8. If WebSearch is unavailable, skip checks that require it and note: "WebSearch unavailable — proceeding with local-only analysis."
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---
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{{SECTION_INDEX:cso}}
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@ -377,6 +380,106 @@ Write findings to `.gstack/security-reports/{date}-{HHMMSS}.json` using this sch
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If `.gstack/` is not in `.gitignore`, note it in findings — security reports should stay local.
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### Phase 15: Auto-Fix Engine (only runs with `--fix`)
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This phase applies a curated set of provably safe fixes — patterns where the correct change is deterministic, the risk of breakage is near-zero, and the security gain is concrete. No business logic involved. No guessing.
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**Fix catalog — 9 patterns:**
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**FIX-01: .gitignore secret hardening**
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Scan `.gitignore` for missing entries. Add if absent:
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```
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.env
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.env.*
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!.env.example
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*.pem
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*.key
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*.p12
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*.pfx
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```
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Safe because: additive only. Never removes existing entries.
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**FIX-02: Missing `.gitleaks.toml`**
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If no `.gitleaks.toml` exists, create one with a baseline config that extends the default ruleset:
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```toml
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title = "gitleaks config"
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[extend]
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useDefault = true
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[[allowlists]]
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description = "test fixtures"
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paths = ['''test''', '''spec''', '''fixtures''', '''__tests__''']
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```
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Safe because: additive. Does not block any existing workflow unless gitleaks is already running (in which case the file was already needed).
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**FIX-03: npm audit fix (non-breaking patches only)**
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```bash
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npm audit fix
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```
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Run only if `package.json` exists and there are audit findings. Do NOT run `npm audit fix --force` (that allows major version bumps). Only patches and minor upgrades.
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Safe because: respects semver constraints in `package.json`. Never changes APIs.
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**FIX-04: Node.js TLS bypass (`rejectUnauthorized: false`)**
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Find all occurrences with the Grep tool: pattern `rejectUnauthorized\s*:\s*false`.
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For each match: read the file, verify it's not in a test file or commented out, then use Edit to flip to `true`.
|
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Safe because: single token flip. A `false` here disables TLS cert verification entirely — this is almost always a copy-paste mistake, never intentional in production code. If it's intentional (self-signed cert in dev), the developer will see the fix in the diff and revert.
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**FIX-05: Python requests TLS bypass (`verify=False`)**
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Find all occurrences: pattern `requests\.(get|post|put|patch|delete|request)\(.*verify=False`.
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For each match: read the file, verify it's production code (not a test), use Edit to change `verify=False` to `verify=True`.
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Safe because: same reasoning as FIX-04.
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**FIX-06: Go TLS bypass (`InsecureSkipVerify: true`)**
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Find all occurrences: pattern `InsecureSkipVerify\s*:\s*true`.
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For each match: read the file, verify it's not test infrastructure, use Edit to flip to `false`.
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Safe because: same reasoning as FIX-04.
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**FIX-07: Insecure cookie `httpOnly: false`**
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Find all occurrences: pattern `httpOnly\s*:\s*false` in JS/TS files.
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For each match: flip to `true`. This prevents JavaScript from reading the cookie — the correct default for session cookies.
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Safe because: `httpOnly: true` never breaks server-side code. It only blocks `document.cookie` access, which should never be needed for session/auth cookies.
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**FIX-08: Insecure cookie `secure: false`**
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Find all occurrences: pattern `secure\s*:\s*false` in cookie configuration contexts (near `httpOnly`, `sameSite`, `maxAge`).
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For each match: flip to `true`.
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Safe because: if you're in production (the only place this matters), you're on HTTPS. If you're in dev, you likely have `NODE_ENV` checks separating the config already. Single flag flip.
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**FIX-09: `DEBUG=true` in production env files**
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Search for files named `.env.production`, `.env.prod`, `production.env` containing `DEBUG=true` or `DEBUG=1`.
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For each match: flip to `DEBUG=false` or `DEBUG=0`.
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Safe because: debug mode in production leaks stack traces and internal state. Flipping this off is never a behavioral regression — it only removes information leakage.
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---
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**Fix execution protocol:**
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For each applicable fix:
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1. Show the user what will change (file, line, before/after).
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2. Apply the fix using the Edit tool (for file edits) or Bash (for commands like `npm install`).
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3. Mark the fix as applied in the summary.
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Do NOT ask for confirmation before each individual fix — the user invoked `--fix` knowing fixes would be applied. Do ask via AskUserQuestion if a fix is ambiguous (e.g., multiple Express entry points, unclear which is production config).
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**Fix summary table:**
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After applying all fixes, print:
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```
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AUTO-FIX SUMMARY
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════════════════
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Fix Applied Finding
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─── ─────── ───────
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FIX-01 YES .gitignore: added .env, *.pem, *.key patterns
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FIX-02 NO .gitleaks.toml already exists
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FIX-03 YES npm audit fix: 3 vulnerabilities patched
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FIX-04 YES api/http-client.ts:47: rejectUnauthorized false → true
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FIX-07 YES lib/session.ts:12: httpOnly false → true
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FIX-09 YES .env.production:3: DEBUG=true → DEBUG=false
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```
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If no fixes applied: "No safe auto-fixes found for this codebase. Review findings in Phase 13 for manual remediation steps."
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{{LEARNINGS_LOG}}
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{{GBRAIN_SAVE_RESULTS}}
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Loading…
Reference in New Issue