CVE-2026-41553 Remote Code Execution in PDF Export Module

Critical 10.0 Published Updated

Unauthenticated attackers can execute arbitrary code on the server via unsanitized input in the PDF Export Module.

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

What is CVE-2026-41553?

CVE-2026-41553 is a critical code injection vulnerability in DHTMLX PDF Export Module, published on 15 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PDF Export Module used in DHTMLX's products Gantt and Scheduler is vulnerable to Remote Code Execution due to lack of "data" parameter sanitization. An unauthenticated attacker can inject the malicious JavaScript code to the parameter whose value is processed by Node.js and subsequently executed. This can lead to server compromise.

This issue was fixed in PDF Export Module version 0.7.6.

Weakness: CWE-78

Which versions are affected by CVE-2026-41553?

It affects 1 product.

Products include Dhtmlx Pdf Export Module.

How do I fix CVE-2026-41553?

No fix has been published for CVE-2026-41553 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-41553 being exploited?

There is no known exploitation of CVE-2026-41553 in the wild and no public exploit code.

Sources

Also known as GHSA-qc73-55rc-fgph.

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