{"id":80753,"date":"2026-06-19T00:31:10","date_gmt":"2026-06-18T21:01:10","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-49257-mcp-pinot-unauthenticated-tool-invocation-via-default-oauth_enabledfalse-host-0-0-0-0-bind\/"},"modified":"2026-06-19T00:31:10","modified_gmt":"2026-06-18T21:01:10","slug":"cve-2026-49257-mcp-pinot-unauthenticated-tool-invocation-via-default-oauth_enabledfalse-host-0-0-0-0-bind","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-49257-mcp-pinot-unauthenticated-tool-invocation-via-default-oauth_enabledfalse-host-0-0-0-0-bind\/","title":{"rendered":"CVE-2026-49257 &#8211; mcp-pinot: Unauthenticated tool invocation via default oauth_enabled=False + host 0.0.0.0 bind"},"content":{"rendered":"<p>CVE ID :CVE-2026-49257<\/p>\n<p>  Published : June 18, 2026, 9:01 p.m. | 41\u00a0minutes ago<\/p>\n<p>  Description :mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1 and below, mcp-pinot defaults to running an HTTP MCP server bound to 0.0.0.0:8080 with no authentication enabled. All MCP tools, including SQL query execution, schema creation, and table-config mutation, are reachable by any network-adjacent caller. The server proxies these calls using server-side Pinot credentials, producing a confused-deputy condition that yields full read\/write access to the configured Pinot cluster. This issue has been fixed in version 3.1.0<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-49257 Published : June 18, 2026, 9:01 p.m. | 41\u00a0minutes ago Description :mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1 and below, mcp-pinot defaults to running an HTTP MCP server bound to 0.0.0.0:8080 with no authentication enabled. All MCP tools, including SQL query execution, &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-80753","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=80753"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80753\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}