Description
Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. When multiple requests are sent in parallel, all of them were executed even if the amount of faulty requests succeeded the limit by the time the response was sent to the client. This allowed someone to send as many requests the server could handle in parallel to bruteforce protected details instead of the configured limit, default 8. Nextcloud Server versions 25.0.7 and 26.0.2 and Nextcloud Enterprise Server versions 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7 and 26.0.2 contain patches for this issue.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
nextcloud security-advisories
Nextcloud Server >= 25.0.0, < 25.0.7affectedNextcloud Server >= 26.0.0, < 26.0.2affectedNextcloud Enterprise Server >= 21.0.0, < 21.0.9.12affectedNextcloud Enterprise Server >= 22.0.0, < 22.2.10.12affectedNextcloud Enterprise Server >= 23.0.0, < 23.0.12.7affectedNextcloud Enterprise Server >= 24.0.0, < 24.0.12.2affectedNextcloud Enterprise Server >= 25.0.0, < 25.0.7affectedNextcloud Enterprise Server >= 26.0.0, < 26.0.2affected