CVE-2022-36074: Nextcloud Enterprise Server

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Nextcloud server is an open source personal cloud product. Affected versions of this package are vulnerable to Information Exposure which fails to strip the Authorization header on HTTP downgrade. This can lead to account access exposure and compromise. It is recommended that the Nextcloud Server is upgraded to 23.0.7 or 24.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 22.2.11, 23.0.7 or 24.0.3. There are no known workarounds for this issue.

Affected products

• Nextcloud Nextcloud Enterprise Server: before 22.2.11 (fixed in 22.2.11); from 23.0.0, before 23.0.7 (fixed in 23.0.7); from 24.0.0, before 24.0.3 (fixed in 24.0.3)
• Nextcloud Nextcloud Server: before 23.0.7 (fixed in 23.0.7); from 24.0.0, before 24.0.3 (fixed in 24.0.3)

Published 2022-09-15. Last modified 2026-06-17.