CVE-2026-22249: Docmost affected by an Arbitrary File Write via Zip Import Feature (ZipSlip)

Q: What is the severity of CVE-2026-22249?

CVE-2026-22249 has a high severity rating due to its potential for arbitrary file write vulnerabilities.

Q: How do I fix CVE-2026-22249?

To fix CVE-2026-22249, update Docmost to version 0.24.0 or later.

Q: What versions of Docmost are affected by CVE-2026-22249?

Docmost versions from 0.21.0 to before 0.24.0 are affected by CVE-2026-22249.

Q: What type of vulnerability is CVE-2026-22249?

CVE-2026-22249 is classified as an Arbitrary File Write vulnerability.

Q: How can CVE-2026-22249 be exploited?

CVE-2026-22249 can be exploited through the Zip Import Feature in Docmost, leading to unauthorized file modifications.

Published Jan 15, 2026

Updated

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 Software

2 affected components

npm/docmost>0.21.0<=0.24.0

docmost Docmost>=0.21.0<0.24.0

Remediation

Patch Available

https://github.com/docmost/docmost/commit/c3b350d943108552e20654580005cd6f6c78ab05

Event History

Jan 15, 2026

CVE Published

via MITRE·06:43 PM

Data Sourced

via MITRE·06:43 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·07:16 PM

RemedyDescriptionSeverityWeaknessAffected Software

Feb 19, 58052

Event

via FIRST·09:10 PM

Frequently Asked Questions

What is the severity of CVE-2026-22249?

CVE-2026-22249 has a high severity rating due to its potential for arbitrary file write vulnerabilities.

How do I fix CVE-2026-22249?