CVE-2022-39330: Nextcloud Enterprise Server

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server prior to versions 22.2.10, 23.0.10, and 24.0.6 are vulnerable to a logged-in attacker slowing down the system by generating a lot of database/cpu load. Nextcloud Server versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server versions 22.2.10, 23.0.10, and 24.0.6 contain patches for this issue. As a workaround, disable the Circles app.

Affected products

• Nextcloud Nextcloud Enterprise Server: before 22.2.10 (fixed in 22.2.10); from 23.0.0, before 23.0.10 (fixed in 23.0.10); from 24.0.0, before 24.0.6 (fixed in 24.0.6)
• Nextcloud Nextcloud Server: before 23.0.10 (fixed in 23.0.10); from 24.0.0, before 24.0.6 (fixed in 24.0.6)

Published 2022-10-27. Last modified 2026-06-17.