CVE-2026-13185CWE-502insecure-deserialization

CVE-2026-13185

High · published July 22, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
51.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00667 · 51.3th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-07-22T18:17Z
Affected products (1)
ProductVersionsFixed in
progress/telerik_ui_for_asp.net_ajax≥ 2013.1.220, < 2026.2.7082026.2.708
References (1)
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-persistence-cookie-deserialization-CVE-2026-13185 · [email protected]
EPSS history
Timeline
  • 22 JUL 13:38Z
    PersistenceFramework Cookie Deserialization Vulnerability in Telerik UI for ASP.NET AJAX
    cvelistv5