This page hosts our security policies and information with regards to reporting security flaws.
Nextcloud is designed to offer the best security in the on-premises content collaboration industry. Read more about the security features and our development process.
If you have discovered a security issue with Nextcloud, please read our responsible
disclosure guidelines and contact us at hackerone.com/nextcloud.
Your report should include:
A member of the security team will confirm the vulnerability, determine its impact, and develop a fix.
The fix will be applied to the master branch, tested, and packaged in the next security release.
The vulnerability will be publicly announced after the release.
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We do however recommend to not encrypt the information submitted
via HackerOne as only a small subset of the team has access to this key.
The Nextcloud community kindly requests that you comply with the following guidelines when researching and reporting security vulnerabilities:
Reduce compliance risks, improve internal collaboration and reduce
operational expenses with the leading content collaboration platform.
Contact us now to learn how we can help you!
You will find our Maintenance and Release Schedule on GitHub. Please have a close look into the End of Life-section. Note that the github page has the authoritative list of supported releases – the list above is manually maintained and thus occasionally outdated.
If you want to continue to use versions, which reached their End of Life, please contact Nextcloud sales to get access to our Long Term Support offering.