Posts by Advay Inabathini
Industry Insights
Mar 30, 2026
Catching a Ni8mare: Inline Defense against CVE-2026-21858
CVE-2026-21858 (aptly dubbed “Ni8mare”) is a critical vulnerability affecting n8n, a widely deployed workflow automation platform increasingly used to build agentic AI pipelines. It weaponizes a simple arbitrary file read flaw into full, unauthenticated Remote Code Execution (RCE)
Industry Insights
Catching a Ni8mare: Inline Defense against CVE-2026-21858
By Advay Inabathini
Security Engineering - Research
March 30, 2026
CVE-2026-21858 (aptly dubbed “Ni8mare”) is a critical vulnerability affecting n8n, a widely deployed workflow automation platform increasingly used to build agentic AI pipelines. It weaponizes a simple arbitrary file read flaw into full, unauthenticated Remote Code Execution (RCE)
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