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Security: MK796/tailitium

SECURITY.md

Security Policy

Supported scope

This repository contains the build, release, and packaging logic for the tailitium image.

Security reports are especially relevant for:

  • the Dockerfile
  • entrypoint.sh
  • GitHub Actions workflows under .github/workflows/
  • release automation, tagging, and publish logic
  • any configuration that could expose secrets, credentials, or supply-chain risk

What to report here

Please report issues such as:

  • secrets accidentally exposed in the repository or workflow logs
  • insecure workflow behavior, permission mistakes, or token misuse
  • supply-chain risks in the build or release pipeline
  • packaging mistakes that could weaken the resulting image
  • vulnerabilities introduced by this repository's own glue logic or automation

What usually belongs upstream instead

tailitium combines upstream components.

If the issue is clearly inside one of these upstream projects themselves, please consider reporting it to the upstream maintainers as well:

  • Technitium DNS Server
  • Tailscale
  • any GitHub Action used by this repository

If you are unsure, report it here first and include your reasoning.

How to report a vulnerability

Please use GitHub's private vulnerability reporting for this repository.

Do not open a public issue for a security problem.

Include as much of the following as possible:

  • a short summary of the issue
  • affected file(s), workflow(s), tag(s), or release(s)
  • whether the problem affects source only, published images, or both
  • exact steps to reproduce
  • impact assessment
  • suggested fix, if you have one

Response expectations

I will review reports in good faith and try to:

  • acknowledge the report reasonably quickly
  • confirm whether I can reproduce it
  • coordinate a fix or mitigation
  • publish a patch or workflow correction when appropriate

Disclosure

Please allow reasonable time for investigation and remediation before public disclosure.

For issues that are purely upstream, remediation timing may depend on the upstream project.

There aren't any published security advisories