Tag: CVE-2026-21858

A critical vulnerability has been unearthed within the esteemed workflow automation platform n8n, permitting the illicit seizure of vulnerable instances without the requisite credentials. By dispatching a meticulously crafted request, an adversary can extract sensitive secrets, forge administrative access, and ultimately execute arbitrary commands upon the server. Formally designated as CVE-2026-21858 with a maximum CVSS…