CVE-2026-106140 PUBLISHED

Deserialization of Untrusted Data in Telerik Reporting Report Designers

Assigner: ProgressSoftware
Reserved: 06.10.2026 Published: 12.11.2026 Updated: 12.11.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Progress Software
Product	Telerik Reporting
Versions	Default: unaffected affected from 0 to 20.3.26.1110 (excl.)

References

https://www.telerik.com/products/reporting/documentation/knowledge-base/kb-security-deserialization-of-untrusted-data-cve-2026-106140

Problem Types

CWE-502 Deserialization of Untrusted Data CWE

Impacts

Object Injection