CVE-2026-5426

HIGH

7.5

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

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/16/2026

Derniere modification4/18/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-321CWE-502

References

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0009.md(mandiant-cve@google.com)

https://www.digital-knowledge.co.jp/product/kd/(mandiant-cve@google.com)

Correlations IOC

Aucune correlation enregistree

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