{"id":30289,"date":"2026-09-29T04:30:51","date_gmt":"2026-09-28T20:30:51","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55156"},"modified":"2026-09-29T04:30:51","modified_gmt":"2026-09-28T20:30:51","slug":"cve-2026-55156","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55156","title":{"rendered":"CVE-2026-55156 [MEDIUM] &#8211; Token Optimizer MCP measures token savings per AI coding agent, optimizes context, and sha"},"content":{"rendered":"<p>Token Optimizer MCP measures token savings per AI coding agent, optimizes context, and shares a live local knowledge graph across 16 CLI clients. Prior to version 5.1.0, the dashboard HTTP server in token-optimizer-mcp exposes \/api\/session-summary and \/api\/session-events with no authentication middleware \u2014 any network-accessible client can reach them without credentials. Both handlers concatenate the caller-supplied sessionId query parameter directly into a filesystem path via path.join, and Node.js normalizes .. segments at resolution time, allowing an unauthenticated attacker to read any .jsonl file reachable from the server&#8217;s filesystem. This issue has been patched in version 5.1.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Token Optimizer MCP measures token savings per AI coding agent, optimizes context, and shares a live local knowledge graph across 16 CLI clients. Prior to version 5.1.0, the dashboard HTTP server in t<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-30289","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/30289","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=30289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}