Progress Telerik Reporting up to 19.0.25.211 Report Designer deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9$0-$5k0.65+

Summaryinfo

A vulnerability identified as problematic has been detected in Progress Telerik Reporting. Affected by this issue is some unknown functionality of the component Report Designer. Performing a manipulation results in deserialization. This vulnerability is known as CVE-2026-106140. Attacking locally is a requirement. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Progress Telerik Reporting. This affects some unknown functionality of the component Report Designer. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at telerik.com. This vulnerability is uniquely identified as CVE-2026-106140 since 10/06/2026. The exploitability is told to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 20.3.26.1110 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.3
CNA Vector (ProgressSoftware): 🔒

CVSSv2info

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

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

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 Reporting 20.3.26.1110

Timelineinfo

10/06/2026 CVE reserved
11/12/2026 +37 days Advisory disclosed
11/12/2026 +0 days VulDB entry created
11/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: telerik.com
Status: Confirmed

CNA: ProgressSoftware
CVE: CVE-2026-106140 (🔒)

GCVE (CVE): GCVE-0-2026-106140
GCVE (VulDB): GCVE-100-436305

Entryinfo

Created: 11/12/2026 11:01
Changes: 11/12/2026 11:01 (64)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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