{"id":14583,"date":"2026-07-26T07:04:36","date_gmt":"2026-07-26T07:04:36","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/07\/26\/fastjson-1x-rce-vulnerability-targeted-html\/"},"modified":"2026-07-26T07:04:36","modified_gmt":"2026-07-26T07:04:36","slug":"fastjson-1x-rce-vulnerability-targeted-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/07\/26\/fastjson-1x-rce-vulnerability-targeted-html\/","title":{"rendered":"Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available"},"content":{"rendered":"<p>    Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>Security firms ThreatBook and Imperva say attackers are targeting a critical flaw in Fastjson, Alibaba&#8217;s JSON library for Java. In affected Spring Boot applications, a malicious JSON request can execute code without authentication, with the privileges of the Java process.<\/p>\n<p>Tracked as CVE-2026-16723, the vulnerability carries an Alibaba-assigned CVSS score of 9.0. The confirmed chain requires<\/p><\/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\/07\/fastjson-1x-rce-vulnerability-targeted.html\">Go to TheHackersNews<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available Security firms ThreatBook and Imperva say attackers are targeting a critical flaw in Fastjson, Alibaba&#8217;s JSON library for Java. In affected Spring Boot applications, a malicious JSON request can execute code without authentication, with the privileges of the Java process. Tracked as CVE-2026-16723, the [&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-14583","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\/14583"}],"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=14583"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/14583\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=14583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=14583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=14583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}