CVE-2023-28844: Nextcloud Server

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Nextcloud server is an open source home cloud implementation. In affected versions users that should not be able to download a file can still download an older version and use that for uncontrolled distribution. This issue has been addressed in versions 24.0.10 and 25.0.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• Nextcloud Nextcloud Server: from 24.0.4, before 24.0.10 (fixed in 24.0.10); from 25.0.0, before 25.0.4 (fixed in 25.0.4)

Published 2023-03-31. Last modified 2026-06-17.