CVE-2024-37882: Nextcloud Server

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Nextcloud Server is a self hosted personal cloud system. A recipient of a share with read&share permissions could reshare the item with more permissions. It is recommended that the Nextcloud Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4 and that the Nextcloud Enterprise Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4.

Affected products

• Nextcloud Nextcloud Server: 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); from 23.0.0, before 23.0.12.17 (fixed in 23.0.12.17); from 24.0.0, before 24.0.12.13 (fixed in 24.0.12.13); from 25.0.0, before 25.0.13.8 (fixed in 25.0.13.8)

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