CVE-2026-108694 ConvertX through 0.19.0 Arbitrary File Read via Pandoc Converter

High 7.1 Published Updated

Authenticated users can read arbitrary server files by uploading a crafted document to the ConvertX web application.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-108694?

CVE-2026-108694 is a high-severity path traversal vulnerability in C4illin ConvertX, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ConvertX through 0.19.0 contains an arbitrary file read vulnerability that allows authenticated users to read server files because src/converters/pandoc.ts invokes Pandoc without the --sandbox flag. Attackers can upload a reStructuredText document with an include directive naming an absolute path, convert it, and download output containing the referenced file's contents.

Weakness: CWE-73

Which versions are affected by CVE-2026-108694?

How do I fix CVE-2026-108694?

No fix has been published for CVE-2026-108694 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-108694 being exploited?

There is no known exploitation of CVE-2026-108694 in the wild and no public exploit code.

Sources

Also known as GHSA-r4xg-82px-pwx6.

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