CVE-2026-22249: Docmost

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Docmost is an open-source collaborative wiki and documentation software. From 0.21.0 to before 0.24.0, Docmost is vulnerable to Arbitrary File Write via Zip Import Feature (ZipSlip). In apps/server/src/integrations/import/utils/file.utils.ts, there are no validation on filename. This vulnerability is fixed in 0.24.0.

Affected products

• Docmost Docmost: from 0.21.0, before 0.24.0 (fixed in 0.24.0)

Published 2026-01-15. Last modified 2026-06-17.