{"id":27604,"date":"2026-09-23T04:31:01","date_gmt":"2026-09-22T20:31:01","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77243"},"modified":"2026-09-23T04:31:01","modified_gmt":"2026-09-22T20:31:01","slug":"cve-2026-77243","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77243","title":{"rendered":"CVE-2026-77243 [HIGH] &#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, ENABLED_TOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools\/call request is dispatched. A client that knows a hidden tool name can directly invoke excluded read, write, or delete tools despite the operator&#8217;s configured least-privilege restrictions. The advisory traces the vulnerable input and processing flow through ENABLED_TOOLS, TOOLSETS, tools\/list, tools\/call, and _call_tool_mcp, which identify the affected entry points, controls, and code paths. 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, ENABLED_TOOLS and TOOLSETS are applied when tools are listed but are not rechecked<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-27604","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/27604","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=27604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}