{"id":23225,"date":"2026-09-16T04:31:18","date_gmt":"2026-09-15T20:31:18","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-21588"},"modified":"2026-09-16T04:31:18","modified_gmt":"2026-09-15T20:31:18","slug":"cve-2026-21588","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-21588","title":{"rendered":"CVE-2026-21588 &#8211; This High severity DoS (Denial of Service) vulnerability was introduced in versions 8.9.0,"},"content":{"rendered":"<p>This High severity DoS (Denial of Service) vulnerability was introduced in versions 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center.<\/p>\n<p>This DoS (Denial of Service) vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.<\/p>\n<p>Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:<br \/>\n Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.24<\/p>\n<p> Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.17<\/p>\n<p>See the release notes ([https:\/\/confluence.atlassian.com\/doc\/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https:\/\/www.atlassian.com\/software\/confluence\/download-archives]).<\/p>\n<p>This vulnerability was reported via our Penetration Testing program.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This High severity DoS (Denial of Service) vulnerability was introduced in versions 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center.<\/p>\n<p>This DoS (<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-23225","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/23225","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=23225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}