CVE-2023-49782: Collaboraoffice Richdocumentscode

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• Collaboraoffice Richdocumentscode: before 23.5.601 (fixed in 23.5.601)

Published 2023-12-08. Last modified 2026-06-17.