# CVE-2026-110447: Nextcloud's built in Collabora editor can be taken over

Status: Being used now (CISA KEV, added 2026-10-23)
Who: People who self host Nextcloud with the built in Collabora Online CODE server.
Do this: Update Collabora Online and Nextcloud to the latest versions.

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Collabora Collabora Online – Built-in CODE Server (CVE-2026-110447) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-110447. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
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.

## Sources
- https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516
- https://github.com/CollaboraOnline/online/security/advisories/GHSA-g3vx-3m76-fghh
- https://nvd.nist.gov/vuln/detail/CVE-2026-110447
- https://nvd.nist.gov/vuln/detail/CVE-2026-110447

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.