CVE-2022-41970 Information

Description

Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1 disabled download shares still allow download through preview images. Images could be downloaded and previews of documents (first page) can be downloaded without being watermarked. Versions 24.0.7 and 25.0.1 contain a fix for this issue. No known workarounds are available.

Reference

https://github.com/nextcloud/server/pull/34788 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9mh6-cph8-772c https://hackerone.com/reports/1745766