CVE-2025-66549 · cross-distro fix matrix

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 path of the file was sent to the server unencrypted, making it possible for administrators to see it in log files. This vulnerability is fixe

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-66549 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

nextcloud-desktop→ fixed in3.16.6-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nextcloud-desktop
```

Are YOU affected by CVE-2025-66549?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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