CVE-2023-25821 Information

Description

Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above prior to 24.0.7 and 25.0.0 and above prior to 25.0.1 contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available.

Reference

https://hackerone.com/reports/1724016 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94 https://github.com/nextcloud/server/pull/34502