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9.1критическая

CVE-2026-5426

Описание

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

CVSS
Балл9.1 — критическая
ВекторCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Источники
https://cloud.google.com/blog/topics/threat-intelligence/knowledgedeliver-viewstate-deserialization-vulnerabilityhttps://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0009.mdhttps://www.digital-knowledge.co.jp/product/kd/