{"id":29417,"date":"2026-09-26T04:31:45","date_gmt":"2026-09-25T20:31:45","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-67242"},"modified":"2026-09-26T04:31:45","modified_gmt":"2026-09-25T20:31:45","slug":"cve-2026-67242","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-67242","title":{"rendered":"CVE-2026-67242 &#8211; RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, OAuth2 isi"},"content":{"rendered":"<p>RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, OAuth2 isinteger(Exp) guard skips token-expiry checks for float exp. validatetokenexpiry\/1 (lines 208-214) and expirytimestamp\/1 (138-144) both guard with &#8216;when isinteger(Exp)&#8217; and fall through to ok\/never for float values. josejwt:verify validates only the signature, not exp. With float exp, no expiry validation occurs anywhere in the If the IdP emits exp as a JSON float (RFC 7519 permits fractional NumericDate), both the login-time expiry check and the mid-connection disconnect timer are silently skipped , an already-expired token is accepted, and connections never time OAuth2 backend enabled IdP emits float exp (uncommon; mainstream IdPs emit integers) Attacker possesses a previously-valid signed. This issue is fixed in versions 4.2.9 and 4.3.3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, OAuth2 isinteger(Exp) guard skips token-expiry checks for float exp. validatetokenexpiry\/1 (lines 208-214) and expirytim<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29417","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29417","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=29417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}