Progress Telerik UI for ASP.NET Core up to 2026.3.811 Aggregation memory allocation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.30+

Summaryinfo

A vulnerability identified as problematic has been detected in Progress Telerik UI for ASP.NET Core up to 2026.3.811. Affected is an unknown function of the component Aggregation. Performing a manipulation results in memory allocation. This vulnerability is known as CVE-2026-106156. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Progress Telerik UI for ASP.NET Core up to 2026.3.811. It has been classified as problematic. This affects some unknown functionality of the component Aggregation. The manipulation with an unknown input leads to a memory allocation vulnerability. CWE is classifying the issue as CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. This is going to have an impact on availability. The summary by CVE is:

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`.

The advisory is shared at telerik.com. This vulnerability is uniquely identified as CVE-2026-106156 since 10/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 2026.3.1015 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (ProgressSoftware): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Telerik UI for ASP.NET Core 2026.3.1015

Timelineinfo

10/06/2026 CVE reserved
11/11/2026 +36 days Advisory disclosed
11/11/2026 +0 days VulDB entry created
11/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: telerik.com
Status: Confirmed

CNA: ProgressSoftware
CVE: CVE-2026-106156 (🔒)

GCVE (CVE): GCVE-0-2026-106156
GCVE (VulDB): GCVE-100-435885

Entryinfo

Created: 11/11/2026 18:47
Changes: 11/11/2026 18:47 (63)
Complete: 🔍
Cache ID: 216::103

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