CVE-2025-66208

Critical

Published: 03/12/2025(UTC)Translated: 05/08/2026(UTC)NVD NIST

Summary

Collabora Online - Built-in CODE Server (richdocumentscode) prior to 25.04.702 has a Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy. Users of Nextcloud with Collabora Online - Built-in CODE Server app can be vulnerable to attack via proxy.php and an intermediate reverse proxy.

Risk Assessment

The vulnerability may allow an attacker to execute arbitrary commands on the server, potentially leading to full system compromise and data confidentiality breach.

Recommendation

Update Collabora Online - Built-in CODE Server to version 25.04.702 or later. Additionally, review proxy and reverse proxy configurations for security.

Original NVD description (English source)

Collabora Online - Built-in CODE Server (richdocumentscode) provides a built-in server with all of the document editing features of Collabora Online. In versions prior to 25.04.702, Collabora Online has a Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy. Users of Nextcloud with Collabora Online - Built-in CODE Server app can be vulnerable to attack via proxy.php and an intermediate reverse proxy. This vulnerability is fixed in 25.04.702.