CVE-2026-41553 PUBLISHED

Remote Code Execution in PDF Export Module

Assigner: CERT-PL
Reserved: 21.04.2026 Published: 15.05.2026 Updated: 15.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	DHTMLX
Product	PDF Export Module
Versions	Default: unaffected affected from 0.3.3 to 0.7.6 (excl.)

Credits

Łukasz Jaworski (Pentest Limited) finder
Tomasz Holeksa (Pentest Limited) finder

References

Problem Types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE

Impacts

CAPEC-88 OS Command Injection