Path Traversal Vulnerability in DHTMLX Diagram by DHTMLX
CVE-2026-7182

9.2CRITICAL

Key Information:

Vendor

Dhtmlx

Status
Diagram
Vendor
CVE Published:
15 May 2026

What is CVE-2026-7182?

A vulnerability in DHTMLX Diagram's export module allows for path traversal attacks due to insufficient HTML sanitization in the src attribute. This flaw enables an unauthenticated user to craft malicious HTML payloads that can access and display sensitive local files from the server in generated PDF documents. The issue has been resolved in version 1.1.1, highlighting the importance of maintaining updated software to mitigate potential risks.

Affected Version(s)

Diagram 1.0.0 < 1.1.1

References

https://cert.pl/en/posts/2026/05/CVE-2026-7182
third-party-advisory
https://docs.dhtmlx.com/diagram/whats_new/#version-612
release-notes
https://dhtmlx.com/docs/products/dhtmlxDiagram/
product

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)
.