CVE-2026-108544 Lippu CVE debrief

Who should care

Defenders responsible for Android applications, specifically those using Lippu Docx Reader Office Viewer App, should assess exposure and prioritize patching or mitigation. This includes verifying the affected versions, assessing exposure, and patching or mitigating the vulnerability to prevent potential unauthorized access or data exposure. Security teams and vulnerability management teams should also review the vulnerability and its potential impact on

Why it matters

A path traversal vulnerability in Lippu Docx Reader Office Viewer App up to 1.4.5 on Android could allow remote attackers to manipulate the argument _display_name, potentially leading to unauthorized access or data exposure. Defenders should prioritize verifying the affected versions, assessing exposure, and patching or mitigating the vulnerability.

• Potential unauthorized access or data exposure due to path traversal
• Need to verify affected versions and assess exposure
• Prioritize patching or mitigation to prevent exploitation

Technical summary

The vulnerability affects Lippu Docx Reader Office Viewer App up to 1.4.5 on Android, specifically the function word.office.docxviewer.document.docx.reader.ViewTxt. The CVSS score is 5.3, indicating a medium severity. This path traversal vulnerability allows remote attackers to manipulate the argument _display_name, potentially leading to unauthorized access or data exposure. The affected versions should be verified, and exposure should be assessed to prioritize patching or mitigation. The vulnerability was identified in the specified version, and the CVSS score indicates a medium severity.

Defensive priority

Defenders should prioritize verifying the affected versions and assessing exposure, as the vulnerability allows for path traversal, potentially leading to unauthorized access or data exposure.

Recommended defensive actions

• Verify the version of Lippu Docx Reader Office Viewer App and ensure it is not affected
• Assess exposure and prioritize patching or mitigation
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability was identified in Lippu Docx Reader Office Viewer App up to 1.4.5 on Android. The affected function is word.office.docxviewer.document.docx.reader.ViewTxt. The CVSS score is 5.3, indicating a medium severity.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.