CVE-2026-77165: Nextcloud Server

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

File owners were unable to unlock TYPE_TOKEN locks placed by other users, leaving files permanently locked with no recovery path outside of the database.

Affected products

• Nextcloud Server: from 32.0.0, up to and including 34.0.0

Published 2026-09-21. Last modified 2026-09-22.