CVE-2023-28999 (published 2023-04-04T12:51:08.241Z)
Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files.​ This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.
Affected products: Vendor: nextcloud
Product: security-advisories
Versions: >= 3.0.0, < 3.8.0, >= 3.13.0, < 3.25.0, >= 3.0.5, < 4.8.0