{"id":27686,"date":"2026-09-23T04:31:10","date_gmt":"2026-09-22T20:31:10","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77272"},"modified":"2026-09-23T04:31:10","modified_gmt":"2026-09-22T20:31:10","slug":"cve-2026-77272","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77272","title":{"rendered":"CVE-2026-77272 [MEDIUM] &#8211; MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence"},"content":{"rendered":"<p>MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, the OAuth error query parameter is passed to CallbackHandler._send_response in oauth_setup.py and interpolated into an HTML page without escaping. A crafted authorization callback can inject markup or script that executes in the browser of a user completing the OAuth flow. This issue is fixed in version 0.22.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, the OAuth error query parameter is passed to CallbackHandler._send_response in oau<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-27686","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/27686","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=27686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}