CVE-2026-106140
Received Received - Intake

Deserialization of Untrusted Data in Progress Telerik Reporting

Publication date: 2026-11-12

Last updated on: 2026-11-12

Assigner: Progress Software Corporation

Description
In Progress® Telerik® Reporting prior to version 20.3.26.1110, a deserialization of untrusted data vulnerability in the .NET Framework report designers allows a local attacker with low privileges to execute arbitrary code in the context of the designer process when the user performs certain editing operations.

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Meta Information

Published
2026-11-12
Last Modified
2026-11-12
Generated
2026-11-12
AI Q&A
2026-11-12
EPSS Evaluated
N/A
NVD
CVE-2026-106140
EUVD
EUVD-2026-124334

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Progress Software Telerik Reporting From 0 (inc) to 20.3.26.1110 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

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Executive Summary

This vulnerability is a deserialization of untrusted data issue in Progress Telerik Reporting versions before 20.3.26.1110. A local attacker with low privileges could exploit it to execute arbitrary code in the designer process when a user performs specific editing operations.

Detection Guidance

Detection requires checking the installed version of Progress Telerik Reporting. If the version is prior to 20.3.26.1110, the system is vulnerable. Use commands like 'wmic product get name,version' on Windows or 'dpkg -l | grep telerik' on Linux to check installed versions.

Impact Analysis

An attacker could gain control of the designer process, potentially leading to unauthorized code execution, data theft, or further compromise of the affected system. Users editing reports are at risk if the vulnerable version is installed.

Compliance Impact

This vulnerability could potentially lead to unauthorized code execution, which may result in data breaches or unauthorized access to sensitive information. Such incidents could violate compliance requirements under GDPR (data protection) and HIPAA (healthcare data privacy), depending on the data processed by the affected Telerik Reporting software.

Mitigation Strategies

Upgrade Progress Telerik Reporting to version 20.3.26.1110 or later immediately. Avoid using report designers with untrusted files until patched. Restrict user privileges to minimize potential impact.

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