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Report a security vulnerability

If you believe you have found a security issue in one of our sites, please tell us privately.

In short

Email [email protected] with the subject "Security report", the affected URL, the steps to reproduce and the impact you see. A person replies within one business day. Please give us reasonable time to fix the issue before you disclose it.

Last updated

01 How to report

How do you report a vulnerability?

Email the details to [email protected] with "Security report" in the subject line. Please include:

  • The URL or component affected
  • Steps to reproduce, with any proof-of-concept code
  • The impact you believe it has
  • How we can reach you with follow-up questions

02 Scope

What is in scope?

Services we embed, such as the meeting scheduler, belong to their providers. Please report issues in those directly to the provider.

  • nexstella.com and its pages
  • blog.nexstella.com

03 Please

What do we ask of you?

  • Do not access, change or delete data beyond what you need to show the issue
  • Do not run denial-of-service tests, social engineering or physical attacks
  • Give us reasonable time to fix the issue before you disclose it publicly

04 What to expect

What happens after you report?

There is no paid bug bounty program.

  • We confirm that we have your report.
  • We aim to keep you informed while we look into it.

05 security.txt

Is there a machine-readable contact?

Yes. The security.txt file follows RFC 9116 and points to this page.

Book a 30-minute call with an engineer

Bring any technical question: a product idea, data, AI, cloud, an existing system or extra help for your team. You talk it through with an engineer.

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What happens next

  1. You pick a time, or send us a message.
  2. A person at Nexstella reads what you shared before we talk.
  3. You leave with a clear next step, even when that step is to wait.