CVE-2025-66549

LOW

Nextcloud Desktop <3.16.5 - Info Disclosure

Title source: llm

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.

Scores

CVSS v3 2.4
EPSS 0.0003
EPSS Percentile 7.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N

Classification

CWE
CWE-209
Status published

Affected Products (1)

nextcloud/desktop < 3.16.5

Timeline

Published Dec 05, 2025
Tracked Since Feb 18, 2026