{"id":35416,"date":"2026-10-11T04:31:58","date_gmt":"2026-10-10T20:31:58","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-108586"},"modified":"2026-10-11T04:31:58","modified_gmt":"2026-10-10T20:31:58","slug":"cve-2026-108586","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-108586","title":{"rendered":"CVE-2026-108586 [MEDIUM] &#8211; 1MCP Agent (@1mcp\/agent) 0.20.0 through 0.39.0 contains an incorrect authorization vulnera"},"content":{"rendered":"<p>1MCP Agent (@1mcp\/agent) 0.20.0 through 0.39.0 contains an incorrect authorization vulnerability that allows authenticated clients to bypass OAuth tag-scope enforcement using negated advanced tag-filter expressions. Attackers holding a single-tag token can send a filter like not  to list and invoke tools on backend MCP servers outside their granted scopes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1MCP Agent (@1mcp\/agent) 0.20.0 through 0.39.0 contains an incorrect authorization vulnerability that allows authenticated clients to bypass OAuth tag-scope enforcement using negated advanced tag-filt<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-35416","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/35416","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=35416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=35416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=35416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}