Path Traversal Vulnerability in DHTMLX's Gantt and Scheduler PDF Export Module
CVE-2026-41552

9.2CRITICAL

Key Information:

Vendor

Dhtmlx

Status
PDF Export Module
Vendor
CVE Published:
15 May 2026

What is CVE-2026-41552?

The PDF Export Module in DHTMLX's Gantt and Scheduler products presents a path traversal vulnerability due to insufficient HTML sanitization. This flaw allows unauthenticated users to manipulate the HTML payload, potentially exposing local server files in the generated PDF documents. The issue was addressed in PDF Export Module version 0.7.6, enhancing security measures against unauthorized file access.

Affected Version(s)

PDF Export Module 0.3.3 < 0.7.6

References

https://cert.pl/en/posts/2026/05/CVE-2026-7182
third-party-advisory
https://docs.dhtmlx.com/gantt/guides/pdf-export-module-wh...
release-notes

CVSS V4

Score:
9.2
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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