{"id":13814,"date":"2026-09-04T19:00:59","date_gmt":"2026-09-04T11:00:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-15076"},"modified":"2026-09-04T19:00:59","modified_gmt":"2026-09-04T11:00:59","slug":"cve-2026-15076","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-15076","title":{"rendered":"CVE-2026-15076 [HIGH] &#8211; In versions up to and including 4.5.29 (4.x branch) and 5.1.4 (5.x branch), the WebClientS"},"content":{"rendered":"<p>In versions up to and including 4.5.29 (4.x branch) and 5.1.4 (5.x branch), the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server&#8217;s domain, in violation of RFC 6265 section 5.3.<br \/>\nAn attacker who controls any server that the victim application contacts can inject a cookie scoped to an arbitrary third-party domain; because the session store performs no cross-domain ownership check, it stores and later transmits that cookie to the targeted domain.<\/p>\n<p>When the victim application subsequently sends a request to the targeted domain using the same WebClientSession, it presents the attacker-injected cookie, causing the receiving service to process the request under the attacker&#8217;s account. Sensitive data included in the victim application&#8217;s requests, such as payment amounts, card details, or other API payloads, may then be accessible to the attacker through their own account on that service.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In versions up to and including 4.5.29 (4.x branch) and 5.1.4 (5.x branch), the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie resp<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13814","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}