nextcloud-desktop: Nextcloud Desktop is the desktop sync client for Nextcloud
CVE-2025-66549 is fixed in nextcloud-desktop on 1 platform, first by DEBIAN-CVE-2025-66549, released December 5, 2025. It is not reported as exploited. Patch Radar priority: Routine.
Nextcloud Desktop is the desktop sync client for Nextcloud. Prior to 3.16.5, when trying to manually lock a file inside an end-to-end encrypted directory, the path of the file was sent to the server unencrypted, making it possible for administrators to see it in log files. This vulnerability is fixed in 3.16.5.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| nextcloud-desktop · Debian 13.5 (trixie) | 3.16.6-3 | DEBIAN-CVE-2025-66549 | Dec 5, 2025 |
| nextcloud-desktop · Debian 14 | 3.16.6-3 | DEBIAN-CVE-2025-66549 | Dec 5, 2025 |
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