CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
remote code execution code execution
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2026-5426
Severity
CRITICAL
CVSS
9.1
EPSS
1.01%
Original NVD Description
Hard-coded ASP.NET/IIS machineKey value in Digital Knowledge KnowledgeDeliver deployments prior to February 24, 2026 allows adversaries to circumvent ViewState validation mechanisms and achieve remote code execution via malicious ViewState deserialization attacks