{"id":9716,"date":"2026-01-08T07:03:34","date_gmt":"2026-01-08T07:03:34","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/01\/08\/n8n-warns-of-cvss-100-rce-vulnerability-html\/"},"modified":"2026-01-08T07:03:34","modified_gmt":"2026-01-08T07:03:34","slug":"n8n-warns-of-cvss-100-rce-vulnerability-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/01\/08\/n8n-warns-of-cvss-100-rce-vulnerability-html\/","title":{"rendered":"n8n Warns of CVSS 10.0 RCE Vulnerability Affecting Self-Hosted and Cloud Versions"},"content":{"rendered":"<p>    n8n Warns of CVSS 10.0 RCE Vulnerability Affecting Self-Hosted and Cloud Versions<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>Open-source workflow automation platform n8n has warned of a maximum-severity security flaw that, if successfully exploited, could result in authenticated remote code execution (RCE).<br \/>\nThe vulnerability, which has been assigned the CVE identifier CVE-2026-21877, is rated 10.0 on the CVSS scoring system.<br \/>\n&#8220;Under certain conditions, an authenticated user may be able to cause untrusted code to be<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/thehackernews.com\/2026\/01\/n8n-warns-of-cvss-100-rce-vulnerability.html\">Go to TheHackersNews<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>n8n Warns of CVSS 10.0 RCE Vulnerability Affecting Self-Hosted and Cloud Versions Open-source workflow automation platform n8n has warned of a maximum-severity security flaw that, if successfully exploited, could result in authenticated remote code execution (RCE). The vulnerability, which has been assigned the CVE identifier CVE-2026-21877, is rated 10.0 on the CVSS scoring system. &#8220;Under [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[76],"class_list":["post-9716","post","type-post","status-publish","format-standard","hentry","category-thehackersnews","tag-thehackersnews"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/9716"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=9716"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/9716\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=9716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=9716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=9716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}