CVE-2026-110447
Collabora Online – Built-in CODE Server OS Command Injection Vulnerability
Collabora Online – Built-in CODE Server
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 23 October 2026. US federal agencies were required to remediate it by 26 October 2026.
Frequently asked questions
Is CVE-2026-110447 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2026-110447.
What does CVE-2026-110447 affect?
CVE-2026-110447 affects Collabora Online – Built-in CODE Server.
How severe is CVE-2026-110447?
It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 26 October 2026.
How should organisations respond to CVE-2026-110447?
Apply the vendor patch for Collabora Online – Built-in CODE Server as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.