Cybersecurity researchers have disclosed details of yet another maximum-severity security flaw in n8n, a popular workflow automation platform, that allows an unauthenticated remote attacker to gain complete control over susceptible instances.
\nThe vulnerability, tracked as CVE-2026-21858 (CVSS score: 10.0), has been codenamed Ni8mare by Cyera Research Labs. Security researcher Dor Attias has been<\/p>","protected":false},"excerpt":{"rendered":"
Cybersecurity researchers have disclosed details of yet another maximum-severity security flaw in n8n, a popular workflow automation platform, that allows an unauthenticated remote attacker to gain complete control over susceptible…<\/p>\n","protected":false},"author":1,"featured_media":2932,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"saved_in_kubio":false,"footnotes":""},"class_list":["post-2931","page","type-page","status-publish","has-post-thumbnail","hentry"],"kubio_ai_page_context":{"short_desc":"","purpose":"general"},"_links":{"self":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/2931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2931"}],"version-history":[{"count":0,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/2931\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/media\/2932"}],"wp:attachment":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}