{"id":23199,"date":"2026-09-16T00:31:29","date_gmt":"2026-09-15T16:31:29","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-91973"},"modified":"2026-09-16T00:31:29","modified_gmt":"2026-09-15T16:31:29","slug":"cve-2026-91973","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-91973","title":{"rendered":"CVE-2026-91973 [HIGH] &#8211; Vikunja before 2.6.0 contains an authentication bypass vulnerability in CalDAV BasicAuth e"},"content":{"rendered":"<p>Vikunja before 2.6.0 contains an authentication bypass vulnerability in CalDAV BasicAuth endpoints that lack rate limiting protection. Remote unauthenticated attackers can issue unbounded credential-guessing requests against \/dav, \/.well-known, and \/feeds routes to bypass the instance&#8217;s anti-brute-force controls and compromise password-only accounts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vikunja before 2.6.0 contains an authentication bypass vulnerability in CalDAV BasicAuth endpoints that lack rate limiting protection. Remote unauthenticated attackers can issue unbounded credential-g<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-23199","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/23199","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=23199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}