Docmost up to 0.23.x ZIP Import file.utils.ts path traversal

Summaryinfo

A vulnerability has been found in Docmost up to 0.23.x and classified as critical. This affects an unknown function of the file apps/server/src/integrations/import/utils/file.utils.ts of the component ZIP Import. The manipulation leads to path traversal. This vulnerability is listed as CVE-2026-22249. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Docmost up to 0.23.x and classified as critical. This issue affects an unknown part of the file apps/server/src/integrations/import/utils/file.utils.ts of the component ZIP Import. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-22249 since 01/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 0.24.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch c3b350d943108552e20654580005cd6f6c78ab05 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Docmost

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23

License

• open-source

Website

• Product: https://github.com/docmost/docmost/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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