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

INFO

Published Date :

2026-04-16T15:18:46.224Z

Last Modified :

2026-04-18T02:31:32.234Z

Source :

Mandiant
AFFECTED PRODUCTS

The following products are affected by CVE-2026-5426 vulnerability.

Vendors Products
Digital Knowledge
  • Knowledgedeliver
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-5426.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact