CVE-2025-66549

2.4 LOW
Published: December 05, 2025 Modified: December 09, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6
Source: security-advisories@github.com
Patch
https://github.com/nextcloud/desktop/pull/8330
Source: security-advisories@github.com
Issue Tracking
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw
Source: security-advisories@github.com
Patch Vendor Advisory
https://hackerone.com/reports/3159877
Source: security-advisories@github.com
Permissions Required Vendor Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
2.4 / 10.0
EPSS (Exploit Probability)
0.0%
7th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-209

Affected Vendors

nextcloud

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