Progress Telerik UI for WinForms up to 2026.4.1110 URL Redirection redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00+

Summaryinfo

A vulnerability was found in Progress Telerik UI for WinForms up to 2026.4.1110 and classified as problematic. This issue affects some unknown processing of the component URL Redirection. The manipulation results in redirect. This vulnerability is known as CVE-2026-124700. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Progress Telerik UI for WinForms up to 2026.4.1110. Affected is an unknown code of the component URL Redirection. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. This is going to have an impact on integrity. CVE summarizes:

In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection vulnerability exists that allows an attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via crafted documents and hyperlinks with a non-allowlisted URI scheme that the user opens.

The advisory is shared for download at telerik.com. This vulnerability is traded as CVE-2026-124700 since 11/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1204.001.

Upgrading to version 2026.4.1111 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (ProgressSoftware): 🔒

CVSSv2info

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

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
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 WinForms 2026.4.1111

Timelineinfo

11/09/2026 CVE reserved
11/12/2026 +3 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-2026-124700 (🔒)

GCVE (CVE): GCVE-0-2026-124700
GCVE (VulDB): GCVE-100-436440

Entryinfo

Created: 11/12/2026 18:35
Changes: 11/12/2026 18:35 (63)
Complete: 🔍
Cache ID: 216::103

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