# CVE-2026-108544: Lippu Docx Reader Office Viewer App path traversal

> A path traversal vulnerability in the Lippu Docx Reader Android app allows remote attackers to read arbitrary files via the display name argument.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Oct 2026
- **Updated:** 14 Oct 2026
- **Also known as:** GHSA-c8m2-393q-8xvm

## What is CVE-2026-108544?

CVE-2026-108544 is a medium-severity path traversal vulnerability in Lippu Docx Reader Office Viewer App, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability was identified 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. Such manipulation of the argument _display_name leads to path traversal. The attack may be performed from remote.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-108544?


## How do I fix CVE-2026-108544?

No fix has been published for CVE-2026-108544 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-108544 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108544 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-108544 and fix it if it is affected.

What it is: CVE-2026-108544 is a medium-severity path traversal vulnerability in Lippu Docx Reader Office Viewer App, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108544 exists.

Affected product: Lippu Docx Reader Office Viewer App. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-108544/ (Markdown: https://insights.sbomify.com/CVE-2026-108544/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-108544
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-108544
- OSV: https://osv.dev/vulnerability/CVE-2026-108544

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-108544/
Summaries are generated and may contain mistakes; the official description above is the record.