CVE-2025-66549
Low
Description
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.
SeverityLow
CVSS2.4
Exploit probability—
Product
Nextcloud Desktop
PublishedDec 5, 2025
First seenDec 5, 2025
Weakness typeCWE-209CWE-209
How to fix
Update
- nextcloud desktop3.16.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud desktop | 3.0.0 ≤ v < 3.16.5 | 3.16.5 |
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