Path Traversal Vulnerability in Telerik UI for AJAX
CVE-2026-18672

7.5HIGH

Key Information:

Vendor

Progress Software
Status
Telerik Ui For Asp.net Ajax
Vendor
CVE Published:
2 September 2026

What is CVE-2026-18672?

A potential path traversal vulnerability exists in Telerik's UI for AJAX, affecting versions prior to v2026.3.812. This issue is tied to insufficient validation of client-supplied data within the RadImageEditor control. An attacker could exploit this flaw to manipulate the file retrieval process, enabling unauthorized access to files outside the designated image directories. This could lead to exposure of sensitive data and must be addressed promptly to ensure the security of applications utilizing Telerik UI for AJAX.

Affected Version(s)

Telerik UI for ASP.NET AJAX 2011.2.712 < 2026.3.812

References

https://www.telerik.com/products/aspnet-ajax/documentatio...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marcio Almeida of TantoSec
.