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MEDIUM · 5.9

CVE-2026-13188

In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may be tampered with, potentially altering dialog server-side behavior and enabling chained exploitation.

Vulnerability Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may be tampered with, potentially altering dialog server-side behavior and enabling chained exploitation.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
ProgressTelerik Ui For Asp.Net Ajax>= 2011.2712, < 2026.2.708

Related Weaknesses (CWE)

CWE-345

References

FAQ

What is CVE-2026-13188?

CVE-2026-13188 is a vulnerability with a CVSS score of 5.9 (MEDIUM). In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may be tampered with, potentially altering dialog server-side behavior and enabling chained exploitation.

How severe is CVE-2026-13188?

CVE-2026-13188 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-13188?

Check the references section above for vendor advisories and patch information. Affected products include: Progress Telerik Ui For Asp.Net Ajax.