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CVE-2026-106156— Uncontrolled Resource Consumption in Telerik UI for ASP.NET Core Server-side Aggregation

Quick assessment

Affected
Progress Software Telerik UI for ASP.NET Core
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 In Progress® Telerik® UI for ASP.NET Core 的 至 版本中，重复的服务器端聚合请求（无论是否包含分组）会导致动态程序集和加载上下文被持续保留，从而引起进程内存占用不断累积。如果应用程序暴露了无需身份验证即可访问的聚合端点，未认证的远程攻击者可利用此漏洞。频繁的请求可能导致内存持续增长，最终耗尽可用资源并影响应用程序的可用性。即使在客户端界面中禁用了分组功能，也无法阻止包含此类描述符的直接请求。该问题已在 版本中修复。

CVSS 8.6 · High

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Progress Software Telerik UI for ASP.NET Core 2015.1.318< 2026.3.1015 affected
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I. Basic Information for CVE-2026-106156

Vulnerability Information
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Vulnerability Title
Uncontrolled Resource Consumption in Telerik UI for ASP.NET Core Server-side Aggregation
Source: CVE Program / CVE List V5
Vulnerability Description
In Progress® Telerik® UI for ASP.NET Core versions `2015.1.318` through `2026.3.811`, repeated server-side aggregation requests, with or without grouping, cause dynamic assemblies and load contexts to be retained, resulting in accumulating process memory consumption. An unauthenticated remote attacker can exploit this if the application exposes an aggregation endpoint that is reachable without authentication. Repeated requests can cause memory growth that may exhaust available resources and affect application availability. Disabling grouping in the client-side interface does not prevent direct requests containing these descriptors. The issue is fixed in version `2026.3.1015`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Progress Software Telerik UI for ASP.NET Core 2015.1.318 ~ 2026.3.1015 -

II. Public POCs for CVE-2026-106156

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III. Intelligence Information for CVE-2026-106156

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Other References for CVE-2026-106156 (1)

Same Patch Batch · Progress Software · 2026-11-11 · 12 CVEs total

CVE-2026-106152 8.8 HIGH External Control of Configuration Setting in Telerik Report Server
CVE-2026-106137 8.6 HIGH ClassFactory Race Condition and Retained Assembly Memory in Telerik UI for ASP.NET MVC
CVE-2026-124687 7.1 HIGH Cross-Site Scripting in DropDownButton and SplitButton Items in Kendo UI for jQuery
CVE-2026-124688 7.1 HIGH Cross-Site Scripting via the spriteCssClass Field in Kendo UI for jQuery
CVE-2026-124690 7.1 HIGH Cross-Site Scripting During Kendo UI for jQuery Custom SVG Icon Sanitization
CVE-2026-124689 7.1 HIGH Cross-Site Scripting in Kendo UI for jQuery ActionSheet Header Labels
CVE-2026-124692 7.1 HIGH Cross-Site Scripting in Kendo UI for jQuery Grid and TreeList Column Reordering
CVE-2026-124694 7.1 HIGH Cross-Site Scripting in Kendo UI for jQuery PropertyGrid Values and Descriptions
CVE-2026-124693 7.1 HIGH Cross-Site Scripting in Kendo UI for jQuery PivotGrid Axis Chips
CVE-2026-106133 6.3 MEDIUM Incorrect Authorization in Telerik Report Server Web Report Designer
CVE-2026-124686 5.4 MEDIUM JavaScript Code Injection through kendo.init() in Kendo UI for jQuery

IV. Related Vulnerabilities

Same vendor: Progress Software
Same weakness: CWE-400