CVE Catalog

CVE-2025-66549

LowCVSS 2.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.30%

21th percentile - higher than 21% of all known CVEs

Summary

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.

Risk Assessment

Server administrators could learn file names and paths that should remain confidential under end-to-end encryption, violating user privacy.

Recommendation

Update Nextcloud Desktop to version 3.16.5 (or later).

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS