{"id":3283,"date":"2026-09-04T04:59:35","date_gmt":"2026-09-03T20:59:35","guid":{"rendered":"https:\/\/www.54iter.cn\/?p=3283"},"modified":"2026-09-04T04:59:35","modified_gmt":"2026-09-03T20:59:35","slug":"cve-2026-53636","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53636","title":{"rendered":"CVE-2026-53636 [MEDIUM] &#8211; Open edX Platform enables the authoring and delivery of online learning at any scale. Prio"},"content":{"rendered":"<p>Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 3a5ac85, a security vulnerability has been identified in the Open edX LMS platform&#8217;s LTI (Learning Tools Interoperability) Provider implementation. The validate_timestamp_and_nonce function in lms\/djangoapps\/lti_provider\/signature_validator.py does not validate OAuth nonces or timestamps, allowing an attacker who captures a valid LTI launch request to replay it an unlimited number of times without detection. This issue has been patched via commit 3a5ac85.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 3a5ac85, a security vulnerability has been identified in the Open edX LMS platform&#8217;s LTI (Learning<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3283","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3283","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=3283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}