CVE-2026-54732

libreoffice-convert vulnerable to path traversal / arbitrary file write

Workarounds

Make sure you supply the filename yourself and don't have it user supplied or use path.basename on filename before using it in libreoffice-convert.

options.fileName is used to build a filesystem path
(path.join(tempDir.name, fileName)) and the caller-supplied document buffer is
written there, but fileName is never reduced to a base name. A fileName containing
"../" escapes the temporary directory, so a caller can write arbitrary content to an
arbitrary path the process can write to (e.g. ~/.ssh/authorized_keys, an /etc/cron.d
entry, or a web root).

Input manipulates file paths to reach files outside the intended directory, such as configuration or credential files. Typical impact: unauthorized file read or write outside the intended directory.

CVE-2026-54732 has a CVSS score of 6.5 (Medium). The vector is network-reachable, low privileges required, and no user interaction. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment. A fixed version is available (1.8.2); upgrading removes the vulnerable code path.

Kodem intelligence

Already deployed Kodem?

Version 1.8.2 uses path.basename on filename to make sure the temp directory can not be escaped.

1. What is CVE-2026-54732? CVE-2026-54732 is a medium-severity path traversal vulnerability in libreoffice-convert (npm), affecting versions < 1.8.2. It is fixed in 1.8.2. Input manipulates file paths to reach files outside the intended directory, such as configuration or credential files.
2. How severe is CVE-2026-54732? CVE-2026-54732 has a CVSS score of 6.5 (Medium). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
3. Which versions of libreoffice-convert are affected by CVE-2026-54732? libreoffice-convert (npm) versions < 1.8.2 is affected.
4. Is there a fix for CVE-2026-54732? Yes. CVE-2026-54732 is fixed in 1.8.2. Upgrade to this version or later.
5. Is CVE-2026-54732 exploitable, and should I be worried? Whether CVE-2026-54732 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
6. What actually determines whether CVE-2026-54732 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
7. How do I fix CVE-2026-54732? Upgrade libreoffice-convert to 1.8.2 or later.