CVE-2024-37884: Nextcloud Server

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Nextcloud Server is a self hosted personal cloud system. A malicious user was able to send delete requests for old versions of files they only got shared with read permissions. It is recommended that the Nextcloud Server is upgraded to 26.0.12 or 27.1.7 or 28.0.3 and that the Nextcloud Enterprise Server is upgraded to 26.0.12 or 27.1.7 or 28.0.3.

Affected products

• Nextcloud Nextcloud Server: from 25.0.0, before 25.0.13.7 (fixed in 25.0.13.7); from 26.0.0, before 26.0.13 (fixed in 26.0.13); from 27.0.0, before 27.1.8 (fixed in 27.1.8); from 28.0.0, before 28.0.4 (fixed in 28.0.4)

Published 2024-06-14. Last modified 2026-06-17.