CVE-2026-5426

| EUVD-2026-23271
2026-04-16 Mandiant GHSA-g88c-8gfj-6c98

Lifecycle Timeline

1
patch_available
Apr 16, 2026 - 17:02 EUVD

DescriptionNVD

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

AnalysisAI

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

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CVE-2026-5426 vulnerability details – vuln.today

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