cvedb.io
CVE-2025-66547
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2025-12-05T17:16:05.330 · Last modified 2026-06-17T09:57:00.460

Summary

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.

Affected products

nextcloud — nextcloud_server

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.