Vulnerability DatabaseCVE-2026-13184
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-13184
Published:July 22, 2026
Updated:August 06, 2026
In Progress® Telerik® UI for AJAX prior to v2026.2.708, when Telerik.Upload.ConfigurationHashKey is absent and machineKey is not explicitly configured, upload metadata integrity protection may fall back to a predictable default key, enabling attackers to forge protected upload metadata and unlock further exploit chains.
Affected Packages
Progress.Sitefinity.Web.UI (DOT_NET):
Affected version(s) >=2025.3.825.462 <2026.2.708.462
Fix Suggestion:
Update to version 2026.2.708.462
progress.sitefinity.web.ui (NUGET):
Affected version(s) >=2025.3.825.462 <2026.2.708.462
Fix Suggestion:
Update to version 2026.2.708.462
Related Resources (1)
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-unauth-deserialization-chain-cve-2026-13184
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Use of Hard-coded Cryptographic Key
CWE-321
EPSS
Base Score:
0.20