What was the CVE-2026-5426 zero-day vulnerability in the KnowledgeDeliver LMS, how was it exploited by threat actors to deploy Cobalt StrikeA hard-coded ASP.NET machineKey in the KnowledgeDeliver LMS gave attackers an easy path to remote code execution and backdoor deployment.
AI 提示詞
Create a landscape editorial hero image for this Studio Global article: What was the CVE-2026-5426 zero-day vulnerability in the KnowledgeDeliver LMS, how was it exploited by threat actors to deploy Cobalt Strike. Article summary: **CVE-2026-5426** is a critical zero-day vulnerability in **Digital Knowledge KnowledgeDeliver**, a Japanese Learning Management System (LMS) built on ASP.NET. The root cause is a **hard-coded ASP.NET/IIS `machineKey` va. Topic tags: general, government, general web. Reference image context from search candidates: Reference image 1: visual subject "# KnowledgeDeliver LMS Zero-Day Exploited to Deploy BLUEBEAM Web Shell. A newly disclosed zero-day vulnerability in the KnowledgeDeliver Learning Management System (LMS) has been a" source context "KnowledgeDeliver LMS Zero-Day Exploited to Deploy BLUEBEAM ..." Reference image 2: visual subject "# New Knowledge Deliv
openai.com
Google 旗下頂尖威脅情報團隊 Mandiant 在 2025 年底的一次事件調查中，揭露了一樁教科書級的供應鏈攻擊示範。攻擊者的目標是 KnowledgeDeliver，一個在日本廣受歡迎、基於 ASP.NET 打造的學習管理系統 (LMS)。而整起事件的源頭，竟是一組被原廠寫死在每個客戶版本設定檔中的靜態 machineKey。
What was the CVE-2026-5426 zero-day vulnerability in the KnowledgeDeliver LMS, how was it exploited by threat actors to deploy Cobalt StrikeA hard-coded ASP.NET machineKey in the KnowledgeDeliver LMS gave attackers an easy path to remote code execution and backdoor deployment.
AI 提示詞
Create a landscape editorial hero image for this Studio Global article: What was the CVE-2026-5426 zero-day vulnerability in the KnowledgeDeliver LMS, how was it exploited by threat actors to deploy Cobalt Strike. Article summary: **CVE-2026-5426** is a critical zero-day vulnerability in **Digital Knowledge KnowledgeDeliver**, a Japanese Learning Management System (LMS) built on ASP.NET. The root cause is a **hard-coded ASP.NET/IIS `machineKey` va. Topic tags: general, government, general web. Reference image context from search candidates: Reference image 1: visual subject "# KnowledgeDeliver LMS Zero-Day Exploited to Deploy BLUEBEAM Web Shell. A newly disclosed zero-day vulnerability in the KnowledgeDeliver Learning Management System (LMS) has been a" source context "KnowledgeDeliver LMS Zero-Day Exploited to Deploy BLUEBEAM ..." Reference image 2: visual subject "# New Knowledge Deliv
openai.com
Google 旗下頂尖威脅情報團隊 Mandiant 在 2025 年底的一次事件調查中，揭露了一樁教科書級的供應鏈攻擊示範。攻擊者的目標是 KnowledgeDeliver，一個在日本廣受歡迎、基於 ASP.NET 打造的學習管理系統 (LMS)。而整起事件的源頭，竟是一組被原廠寫死在每個客戶版本設定檔中的靜態 machineKey。
