CVE-2025-66549: 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…

PriorityP412low2.7CVSS 3.1

AVNACLPRHUINSUCLINAN

EPSS

0.25%

16.4th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
debian	nextcloud-desktop	< nextcloud-desktop 3.16.6-3 (forky)	nextcloud-desktop 3.16.6-3 (forky)
nextcloud	desktop	>= 3.0.0 < 3.16.5	3.16.5
nextcloud	security-advisories	< 3.16.5	3.16.5

CVSS provenance

nvdv3.12.7LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

osv2.7LOW

vendor_debian2.4LOW

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