CVE-2026-106146: Progress Software Telerik UI for ASP.NET MVC · Uncaught Exception
Affects Progress Software Telerik UI for ASP.NET MVCSource CVE Database V5
Not known to be exploited · CVSS 8.6 High · fixed in 2026.4.1111 : patch Progress Software Telerik UI for ASP.NET MVC soon.
Data as of 12 Nov 2026, 17:35 UTC
Thin evidence
One scorer or none| CNA (ProgressSoftware) | CVSS 3.1 | 8.6 |
|---|
- Patch
- Available – fixed in 2026.4.1111
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 12 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress SoftwareTelerik UI for ASP.NET MVC | Affected
| Fixed in– |
AI-suggested
Upgrade Telerik UI for ASP.NET MVC to version 2026.4.1111 or later, where this issue is fixed. Until the upgrade, restrict access to any endpoints that accept filter parameters to authenticated and authorized users to prevent exploitation. No other mitigations are specified by the vendor.
Description
CVE-2026-106146 affects Progress Software's Telerik UI for ASP.NET MVC versions 2012.2.710 through 2026.3.1015. The vulnerability arises from improper validation of filter descriptors and unhandled exceptions in server-side filter processing, allowing unauthenticated remote attackers to cause HTTP 500 errors by sending crafted filter parameters. The issue is fixed in version 2026.4.1111.