CVE-2026-110447

Online – Built-in CODE Server OS Command Injection in Collabora Online – Built-in CODE Server. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 23 October 2026.

Product
Collabora Online – Built-in CODE Server
Added to CISA's catalog
Federal fix-by date
Ransomware
No known use in ransomware campaigns

CISA’s 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.

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.