# CVE-2026-54732: libreoffice-convert: path traversal / arbitrary file write

> Attackers can write arbitrary files via path traversal in libreoffice-convert, potentially achieving code execution or privilege escalation.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 27 Aug 2026
- **Updated:** 28 Aug 2026
- **Also known as:** GHSA-gmxc-r82q-347r

## What is CVE-2026-54732?

CVE-2026-54732 is a medium-severity path traversal vulnerability in elwerene libreoffice-convert, published on 27 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

libreoffice-convert is a Node.js module for converting office documents to different formats. Prior to 1.8.2, index.js uses the caller-controlled options.fileName value in path.join(tempDir.name, fileName) without reducing it to a base name. A filename containing ../ can escape the temporary directory because path.basename() normalization is missing and write the supplied document buffer to an arbitrary path writable by the process, including an SSH authorized_keys file, a cron configuration, or a web root. This issue is fixed in version 1.8.2.

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

## Which versions are affected by CVE-2026-54732?

2 open source packages ship an affected version, including libreoffice-convert.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `libreoffice-convert` | npm | All versions | 1.8.2 |
| `libreoffice-convert` | npm | All versions | 1.8.2 |

## How do I fix CVE-2026-54732?

Upgrade libreoffice-convert to 1.8.2 or later.

## Is CVE-2026-54732 being exploited?

There is no known exploitation of CVE-2026-54732 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-54732 and fix it if it is affected.

What it is: CVE-2026-54732 is a medium-severity path traversal vulnerability in elwerene libreoffice-convert, published on 27 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-54732 in the wild and no public exploit code.

Affected packages and fixed versions:
- libreoffice-convert (npm): affected all versions; fixed in 1.8.2
- libreoffice-convert (npm): affected all versions; fixed in 1.8.2

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-2026-54732/ (Markdown: https://insights.sbomify.com/CVE-2026-54732/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-54732
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-54732
- OSV: https://osv.dev/vulnerability/CVE-2026-54732

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-54732/
Summaries are generated and may contain mistakes; the official description above is the record.