Termix-SSH Termix up to 2.9.2 transferToHost destPath path traversal

Summaryinfo

A vulnerability categorized as very critical has been discovered in Termix-SSH Termix up to 2.9.2. Impacted is an unknown function of the file /plugin-api/file-manager/transferToHost. The manipulation of the argument destPath results in path traversal. This vulnerability is cataloged as CVE-2026-120322. The attack may be launched remotely. Furthermore, there is an exploit available. The shortcut was removed in the standalone File Manager plugin v1.0.0 (transfer engine now always writes over SFTP) and in core v26.10.0. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Termix-SSH Termix up to 2.9.2. Affected is an unknown functionality of the file /plugin-api/file-manager/transferToHost. The manipulation of the argument destPath with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-120322. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/01/2026). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. The shortcut was removed in the standalone File Manager plugin v1.0.0 (transfer engine now always writes over SFTP) and in core v26.10.0.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• SSH Server Software

Vendor

• Termix-SSH

Name

• Termix

Version

• 2.9.0
• 2.9.1
• 2.9.2

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

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Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #1015028: Termix-SSH Termix release-2.9.1-tag path traversal / arbitrary file write (by chenhuanlin)

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