{"id":10548,"date":"2026-09-04T18:51:16","date_gmt":"2026-09-04T10:51:16","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-76216"},"modified":"2026-09-04T18:51:16","modified_gmt":"2026-09-04T10:51:16","slug":"cve-2026-76216","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-76216","title":{"rendered":"CVE-2026-76216 [HIGH] &#8211; Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing"},"content":{"rendered":"<p>Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing principals with id N are treated as user principals with users.id == N at three permission checks lacking type guards. Attackers with a link-share JWT can remove victims from teams, enumerate and delete victim bot users, or read team rosters by exploiting id collisions in the autoincrement space.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing principals with id N are treated as user principals with users.id == N at three permission checks lacking type<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-10548","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/10548","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=10548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}