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.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 08 Dec 2025 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Collabora
Collabora online
CPEs cpe:2.3:a:collabora:online:*:*:*:*:*:*:*:*
Vendors & Products Collabora
Collabora online
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Thu, 04 Dec 2025 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Collaboraoffice
Collaboraoffice online
Vendors & Products Collaboraoffice
Collaboraoffice online

Wed, 03 Dec 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 03 Dec 2025 18:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-12-03T18:51:19.697Z

Reserved: 2025-11-24T23:01:29.677Z

Link: CVE-2025-66208

cve-icon Vulnrichment

Updated: 2025-12-03T18:51:11.525Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-03T19:15:57.793

Modified: 2025-12-08T19:37:15.947

Link: CVE-2025-66208

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-04T16:43:57Z

Weaknesses