CVE-2025-66547 Nextcloud Server users can modify tags on files that do not belong to them

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 31.0.1, non-privileged users can modify tags on files they should not have access to via bulk tagging. This vulnerability is fixed in 31.0.1...

Nextcloud: Users can modify tags on files that do not belong to them

A vulnerability was discovered in which users could modify tags on files that did not belong to them. This issue has been addressed...