{"id":14562,"date":"2026-09-04T19:02:03","date_gmt":"2026-09-04T11:02:03","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-52870"},"modified":"2026-09-04T19:02:03","modified_gmt":"2026-09-04T11:02:03","slug":"cve-2026-52870","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-52870","title":{"rendered":"CVE-2026-52870 [HIGH] &#8211; The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Pr"},"content":{"rendered":"<p>The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol (MCP). From 1.23.0 until 1.27.2, default handlers installed by server.experimental.enable_tasks() for tasks\/list, tasks\/get, tasks\/result, and tasks\/cancel operate only on task identifiers without recording the session that created each task, allowing any connected client to enumerate, read results from, consume messages for, or cancel other clients&#8217; tasks. This issue is fixed in version 1.27.2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol (MCP). From 1.23.0 until 1.27.2, default handlers installed by server.experimental.enable_tasks() for t<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14562","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14562","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=14562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}