Add security review bot and supply chain analysis#78
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Adds automated security review for external PRs using Claude 4.5 Sonnet, with msgvault-specific prompt covering OAuth tokens, email data, Go security patterns, and dependency supply chain risks. Includes govulncheck in CI, Dependabot for gomod and github-actions, and CODEOWNERS for security-critical files. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…eck pin - Treat JSON parse failures as hard errors: post explicit "analysis failed" comment and exit non-zero instead of silently posting "no issues found" - Fix pr.get_commits().reversed[0] (not subscriptable in PyGithub) to use list(pr.get_commits())[-1] - Pin govulncheck to v1.1.4 for deterministic CI Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Avoids loading all PR commits and eliminates IndexError risk on empty list. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Avoids redundant API calls per issue when posting multiple review comments. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Go 1.25.7 (released 2026-02-04) fixes: - GO-2026-4341: memory exhaustion in net/url query parsing - GO-2026-4340: TLS handshake messages at incorrect encryption level - GO-2026-4337: unexpected TLS session resumption mapstructure v2.3.0 fixes: - GO-2025-3787: sensitive info leaked in logs on malformed data govulncheck now passes clean. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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## Summary - Add Claude-powered security review bot that automatically reviews PRs from external contributors, with msgvault-specific prompt covering OAuth tokens, email data, Go security patterns, and dependency supply chain risks - Add `govulncheck` to CI for call-graph-aware vulnerability scanning on every PR - Add Dependabot configuration for automated Go module and GitHub Actions dependency updates - Add CODEOWNERS requiring maintainer approval for `go.mod`, `go.sum`, `.github/`, and `SECURITY.md` - Add `SECURITY.md` with vulnerability reporting policy and threat model ## New files (7) | File | Purpose | |------|---------| | `.github/workflows/security-review.yml` | `pull_request_target` workflow with base-branch-only checkout, SHA-pinned actions, pinned pip deps | | `.github/scripts/security_review.py` | Claude review script with file classification, prompt injection defense, strict JSON validation | | `.github/trusted-contributors.json` | Trusted contributor bypass list | | `.github/CODEOWNERS` | Owner approval for security-critical files including `go.mod`/`go.sum` | | `.github/dependabot.yml` | Weekly updates for gomod + github-actions ecosystems | | `.github/SECURITY_BOT.md` | Bot setup and operational documentation | | `SECURITY.md` | Vulnerability reporting + threat model | ## Modified files (1) | File | Change | |------|--------| | `.github/workflows/ci.yml` | Add `govulncheck -tags fts5 ./...` after lint step (macOS only) | ## Post-merge steps 1. Add `ANTHROPIC_API_KEY` to GitHub repository secrets 2. Test with a PR from a non-trusted account 3. Verify Dependabot creates initial dependency PRs ## Test plan - [x] Python script compiles (`python -m py_compile`) - [x] YAML and JSON files parse correctly - [x] `make lint` passes - [x] `make test` passes - [x] Verify govulncheck runs in CI on this PR - [ ] After merge: test security review with external PR 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
govulncheckto CI for call-graph-aware vulnerability scanning on every PRgo.mod,go.sum,.github/, andSECURITY.mdSECURITY.mdwith vulnerability reporting policy and threat modelNew files (7)
.github/workflows/security-review.ymlpull_request_targetworkflow with base-branch-only checkout, SHA-pinned actions, pinned pip deps.github/scripts/security_review.py.github/trusted-contributors.json.github/CODEOWNERSgo.mod/go.sum.github/dependabot.yml.github/SECURITY_BOT.mdSECURITY.mdModified files (1)
.github/workflows/ci.ymlgovulncheck -tags fts5 ./...after lint step (macOS only)Post-merge steps
ANTHROPIC_API_KEYto GitHub repository secretsTest plan
python -m py_compile)make lintpassesmake testpasses🤖 Generated with Claude Code