{"id":"CVE-2026-110447","title":"Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208","summary":"Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an O…","severity":"none","cwe":["CWE-78"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T03:17:20.683","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110447","references":[{"url":"https://github.com/CollaboraOnline/richdocumentscode/issues/354","label":"cve@mitre.org"},{"url":"https://help.nextcloud.com/t/to-collabora-built-in-user-update-asap/250516","label":"cve@mitre.org"}],"tags":["nvd","in-the-wild"],"exploited":true,"ingestedAt":"2026-10-14T04:12:54.303Z","slug":"CVE-2026-110447","body":"## Overview\n\nCollabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an OS command injection in proxy.php when the CODE server isn't running (e.g., the product was recently restarted). The vulnerability is not present in standalone Collabora Online servers; only this deployment with CODE Server is affected.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":21,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":18,"ransomware":0},"changes":[]}