KnowledgeDeliver LMS Flaw Exploited to Deploy Godzilla and Cobalt Strike

A now-patched high-severity security flaw affecting Digital Knowledge KnowledgeDeliver, a Learning Management System LMS popular in Japan, was exploited as a zero-day to deliver the Godzilla web shell and ultimately facilitate the deployment of Cobalt Strike Beacon. The vulnerability, tracked as...

VulnCheck KEV: CVE-2026-5426

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...

CVE-2026-5426

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...

EUVD-2026-23271

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...

CVE-2026-5426

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...

CVE-2026-5426 KnowledgeDeliver deployments before February 24, 2026 use a static ASP.NET/IIS machineKey value

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...

CVE-2026-5426

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...

CVE-2026-5426

CVE-2026-5426 affects Digital Knowledge KnowledgeDeliver prior to Feb 24, 2026, due to a hard-coded ASP.NET/IIS machineKey in web.config. This flaw enables unauthenticated attackers to bypass ViewState validation and achieve remote code execution via crafted ViewState deserialization. In observed...

CVE-2026-5426 KnowledgeDeliver deployments before February 24, 2026 use a static ASP.NET/IIS machineKey value

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...

PT-2026-33340

Name of the Vulnerable Software and Affected Versions Digital Knowledge KnowledgeDeliver versions prior to February 24, 2026 Description Hard-coded ASP.NET/IIS machineKey values in standardized web.config files allow unauthenticated remote code execution. Attackers can use these shared keys to...

CVE-2025-71260

BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 contain a deserialization of untrusted data vulnerability in the ASP.NET servlet's VIEWSTATE handling that allows authenticated attackers to execute arbitrary code. Attackers can supply crafted serialized objects to the VIEWSTATE paramete...

EUVD-2025-208877

BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 contain a deserialization of untrusted data vulnerability in the ASP.NET servlet's VIEWSTATE handling that allows authenticated attackers to execute arbitrary code. Attackers can supply crafted serialized objects to the VIEWSTATE paramete...

CVE-2025-71260

BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 contain a deserialization of untrusted data vulnerability in the ASP.NET servlet's VIEWSTATE handling that allows authenticated attackers to execute arbitrary code. Attackers can supply crafted serialized objects to the VIEWSTATE paramete...

CVE-2025-71260

BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 contain a deserialization of untrusted data vulnerability in the ASP.NET servlet's VIEWSTATE handling that allows authenticated attackers to execute arbitrary code. Attackers can supply crafted serialized objects to the VIEWSTATE paramete...

CVE-2025-71260 BMC FootPrints ITSM 20.20.02 <= 20.24.01.001 VIEWSTATE Deserialization RCE

BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 contain a deserialization of untrusted data vulnerability in the ASP.NET servlet's VIEWSTATE handling that allows authenticated attackers to execute arbitrary code. Attackers can supply crafted serialized objects to the VIEWSTATE paramete...

CVE-2025-71260 BMC FootPrints ITSM 20.20.02 <= 20.24.01.001 VIEWSTATE Deserialization RCE

BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 contain a deserialization of untrusted data vulnerability in the ASP.NET servlet's VIEWSTATE handling that allows authenticated attackers to execute arbitrary code. Attackers can supply crafted serialized objects to the VIEWSTATE paramete...

CVE-2025-71260

CVE-2025-71260 affects BMC FootPrints ITSM 20.20.02–20.24.01.001. It describes a deserialization of untrusted data vulnerability in the ASP.NET VIEWSTATE handling that enables authenticated attackers to execute arbitrary code and fully compromise the application. The root cause is crafted seriali...

BMC FootPrints 代码问题漏洞

BMC FootPrints is an IT service management and ticket tracking system provided by the American company BMC. Versions of BMC FootPrints prior to 20.24.01.001 contained code vulnerabilities. These vulnerabilities stemmed from the VIEWSTATE processing in ASP.NET servlets, which allowed untrusted dat...

PT-2026-26063

Name of the Vulnerable Software and Affected Versions BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 Description BMC FootPrints ITSM versions 20.20.02 through 20.24.01.001 contain a deserialization of untrusted data issue in the ASP.NET servlet's VIEWSTATE handling. This allows...

CVE-2026-26333

Calero VeraSMART versions prior to 2022 R1 expose an unauthenticated .NET Remoting HTTP service on TCP port 8001. The service publishes default ObjectURIs including EndeavorServer.rem and RemoteFileReceiver.rem and permits the use of SOAP and binary formatters with TypeFilterLevel set to Full. An...