Mergesium takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organization: Mergesium Repos.

If you believe you have found a security vulnerability in any Mergesium-owned repository, please report it to us as described below.

Reporting Security Issues

Please do not report security vulnerabilities through public GitHub issues.

Instead, please report them to the Mergesium by email at

If possible, encrypt your message with our PGP key; please download it from the Mergesium PGP Key page.

You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message.

Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue:

  • Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.)
  • Full paths of source file(s) related to the manifestation of the issue
  • The location of the affected source code (tag/branch/commit or direct URL)
  • Any special configuration required to reproduce the issue
  • Step-by-step instructions to reproduce the issue
  • Proof-of-concept or exploit code (if possible)
  • Impact of the issue, including how an attacker might exploit the issue

This information will help us triage your report more quickly.

Preferred Languages

We prefer all communications to be in English.


Mergesium follows the principle of Coordinated Vulnerability Disclosure.