{"id":40393,"date":"2026-10-16T16:33:13","date_gmt":"2026-10-16T08:33:13","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-16453"},"modified":"2026-10-16T16:33:13","modified_gmt":"2026-10-16T08:33:13","slug":"cve-2026-16453","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-16453","title":{"rendered":"CVE-2026-16453 [HIGH] &#8211; Mattermost versions 11.10.x"},"content":{"rendered":"<p>Mattermost versions 11.10.x &lt;= 11.10.0, 11.7.x &lt;= 11.7.9, 11.9.x &lt;= 11.9.1, 11.8.x &lt;= 11.8.5 fail to verify the integrity of the SAML RelayState POST parameter which allows an authenticated SAML user to join any team, including invite-only teams, via forging the team_id or invite_id fields in the RelayState.. Mattermost Advisory ID: MMSA-2026-00727<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mattermost versions 11.10.x<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-40393","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/40393","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=40393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}