Progress SoftwareCVE-2026-13185

Progress Software Telerik UI for ASP.NET AJAX: remote code execution

CVE-2026-13185 · Published Jul 22, 2026 · updated Aug 6, 2026

High8.1

Fix: upgrade to 2026.2.708 or later

In Progress® Telerik® UI for AJAX prior to v2026.2.708, applications using cookie-based storage in RadPersistenceManager or RadDockLayout deserialize attacker-controlled cookie content, allowing unauthenticated remote code execution.

Affected versions

Package	Affected	Fixed in
Telerik UI for ASP.NET AJAX Product	>= 2013.1.220, < 2026.2.708	2026.2.708

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-502

More Progress Software advisories

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Medium 5.3Jul 22

Progress Software Telerik UI for ASP.NET AJAX: denial of serviceCVE-2026-14865fixed in 2026.2.708 Medium 6.5Jul 22

Progress Software Telerik UI for ASP.NET AJAX: hard-coded keyCVE-2026-14932fixed in 2026.2.708 High 8.1Jul 22

Progress Software Telerik UI for ASP.NET AJAX: path traversalCVE-2026-13186fixed in 2026.2.708 High 8.1Jul 22

In Progress Telerik UI for AJAX prior to v2026.2.708CVE-2026-13187fixed in 2026.2.708 Medium 5.9Jul 22

Progress Software Telerik UI for ASP.NET AJAX: insufficient authenticity checkCVE-2026-13188fixed in 2026.2.708 High 7.5Jul 22

Progress Software Telerik UI: attacker could influence server-side file path...CVE-2026-13189fixed in 2026.2.708