Live › vulnerability › CVE-2026-110447
Go to dashboardThe built-in CODE server used by the Nextcloud richdocumentscode app contains an OS command injection flaw. When the CODE server is not running, a remote attacker can execute commands on the host.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-24 00:09 UTC, 0h before NVD. All times on this page are UTC.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Nextcloud installations that use the Collabora Online built-in CODE server through the richdocumentscode app. The sources describe the flaw as triggered when the CODE server is not running, so the exposure depends on that state. Teams that do not run Nextcloud with richdocumentscode can skip it.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Collabora Collabora Online – Built-in CODE Server | vendor | – | – |
occ app:list | grep richdocumentscodeunknown26.4.303 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Collabora Collabora Online – Built-in CODE Server when used within the NextCloud platform contains an OS command injection vulnerability that allows for remote code execution when the CODE server isn't running.
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
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