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CVE-2026-5426: Use of Hard-coded Cryptographic Key

🗓️ 16 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

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 deseria...

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-5426
16 Apr 202615:18
–attackerkb
circl
Circl
CVE-2026-5426
16 Apr 202618:04
–circl
cnnvd
CNNVD
Digital Knowledge KnowledgeDeliver 安全漏洞
16 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-5426
16 Apr 202615:18
–cve
cvelist
Cvelist
CVE-2026-5426 KnowledgeDeliver deployments before February 24, 2026 use a static ASP.NET/IIS machineKey value
16 Apr 202615:18
–cvelist
euvd
EUVD
EUVD-2026-23271
16 Apr 202618:31
–euvd
kitploit
Kitploit
CVE-2026-5426
22 Sep 202613:07
–kitploit
nvd
NVD
CVE-2026-5426
16 Apr 202616:16
–nvd
ptsecurity
Positive Technologies
PT-2026-33340
16 Apr 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-5426
18 Apr 202607:22
–redhatcve
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27 May 2026 00:00Current
CVSS 3.19.1
EPSS0.01008
SSVC
0