CVE-2026-5426

Published: Apr 16, 2026 Last Modified: Apr 16, 2026
ExploitDB:
Other exploit source:
Google Dorks:

Description

AI Translation Available

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

321

Use of Hard-coded Cryptographic Key

Draft
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity Read Application Data
Applicable Platforms
Technologies: ICS/OT
Likelihood of Exploit: High
View CWE Details
502

Deserialization of Untrusted Data

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Application Data Unexpected State Dos: Resource Consumption (Cpu) Varies By Context
Applicable Platforms
Languages: Java, JavaScript, PHP, Python, Ruby
Technologies: AI/ML, ICS/OT, Not Technology-Specific
Likelihood of Exploit: Medium
View CWE Details
https://github.com/mandiant/Vulnerability-Disclosures/blob/…
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-202…
https://www.digital-knowledge.co.jp/product/kd/
https://www.digital-knowledge.co.jp/product/kd/