Lippu Docx Reader Office Viewer App up to 1.4.5 on Android _display_name path traversal

Summaryinfo

A vulnerability was found in Lippu Docx Reader Office Viewer App up to 1.4.5 on Android. It has been rated as critical. This vulnerability affects the function word.office.docxviewer.document.docx.reader.ViewTxt. Performing a manipulation of the argument _display_name results in path traversal. This vulnerability is cataloged as CVE-2026-108544. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Lippu Docx Reader Office Viewer App up to 1.4.5 on Android. This affects the function word.office.docxviewer.document.docx.reader.ViewTxt. The manipulation of the argument _display_name 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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-108544. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-96865). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Android App Software

Vendor

• Lippu

Name

• Docx Reader Office Viewer App

Version

• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3
• 1.4.4
• 1.4.5

CPE 2.3info

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CPE 2.2info

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Accepted

• Submit #954042: LIPPU TECHNOLOGY Docx Reader - Office Viewer APP (https://play.google.com/store/apps/details?id=word.office.docxviewer.document.docx.reader) <=1.4.5 Path Traversal (by Secsys-FDU)

Be aware that VulDB is the high quality source for vulnerability data.

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