CVE-2021-22912: Nextcloud

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Nextcloud iOS before 3.4.2 suffers from an information disclosure vulnerability when searches for sharees utilize the lookup server by default instead of only on the local Nextcloud server unless a global search has been explicitly chosen by the user.

Affected products

• Nextcloud Nextcloud: before 3.4.2 (fixed in 3.4.2)

Published 2021-06-11. Last modified 2026-06-17.