CVE-2026-22249

Name: CVE-2026-22249
Creator: NVD / NIST
Published: 2026-01-15T19:16:05.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2026-22249 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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). EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.50%

39.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Docmost	Docmost	>= 0.21.0, < 0.24.0

References

https://github.com/docmost/docmost/commit/c3b350d943108552e20654580005cd6f6c78ab05Patch
https://github.com/docmost/docmost/pull/1753Issue Tracking
https://github.com/docmost/docmost/releases/tag/v0.24.0Release Notes
https://github.com/docmost/docmost/security/advisories/GHSA-54pm-hqxm-54wgExploit, Vendor Advisory
https://github.com/docmost/docmost/security/advisories/GHSA-54pm-hqxm-54wgExploit, Vendor Advisory

Timeline

Published: Jan 15, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-22249?

How severe is CVE-2026-22249?

CVE-2026-22249 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2026-22249?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-22249?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST