Files
GDPRScanner/SECURITY.md
T
StyxX65andClaude Opus 5.5 9cf23da907 Point docs at git.fejl40.nu after the move from GitHub
- README / CONTRIBUTING: clone from the Gitea repo.
- SECURITY: Gitea has no private security advisories; report to
  support@fejl40.nu instead.
- RELEASING: release URL on Gitea, plus a note that build.yml still uses
  the GitHub-only action-gh-release step, so no releases are produced on
  Gitea yet (server self-update via git is unaffected).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-28 09:49:06 +02:00

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# Security Policy
## Supported Versions
| Version | Supported |
|---------|-----------|
| Latest | ✅ Yes |
We support only the latest release. Please update before reporting a bug.
---
## Reporting a Vulnerability
**Please do not file a public issue for security vulnerabilities.**
This tool processes sensitive personal data including Danish CPR numbers (national
identifiers). Security issues should be reported privately so a fix can be prepared
before public disclosure.
**Report to:** [support@fejl40.nu](mailto:support@fejl40.nu) — put "Security" in the subject line.
Please include:
- A description of the vulnerability and its potential impact
- Steps to reproduce the issue
- Any relevant logs or screenshots (redact personal data)
- Your suggested fix if you have one
We will acknowledge receipt within **3 business days** and aim to release a fix
within **14 days** for critical issues.
---
## Scope
Issues we consider in scope:
- Authentication bypass or token leakage in the M365 connector
- Unauthorised access to scan results via the web UI
- CPR numbers or other personal data exposed in logs, error messages, or API responses
- SQL injection or path traversal in the local scanner or database layer
- SSRF (Server-Side Request Forgery) via URL inputs
- Dependency vulnerabilities with a known exploit path
Out of scope:
- Issues requiring physical access to the machine running the scanner
- Vulnerabilities in Microsoft Graph API itself (report to Microsoft MSRC)
- Social engineering attacks
---
## Data Handling Notes for Security Researchers
- CPR numbers are stored in the SQLite database as **SHA-256 hashes only** — never in plaintext
- SMTP passwords are stored in `~/.gdprscanner/smtp.json` with chmod 600
- Microsoft OAuth tokens are stored in the MSAL token cache in `~/.gdprscanner/token.json`
- Scan results are stored locally in `~/.gdprscanner/scanner.db` — never transmitted externally
- The web UI binds to `0.0.0.0` by default so reviewers on the LAN can reach it — it is not designed to be exposed to the internet. For encrypted transport, put it behind a TLS-terminating reverse proxy and bind the app to loopback with `--host 127.0.0.1` — see [docs/setup/ZORAXY_SETUP.md](docs/setup/ZORAXY_SETUP.md)
---
## Dependency Security
This project uses Python dependencies listed in `requirements.txt`. We recommend
running `pip audit` or `safety check` periodically to identify known CVEs in
dependencies.
```bash
pip install pip-audit
pip-audit -r requirements.txt
```