{"id":82450,"date":"2026-07-23T19:04:11","date_gmt":"2026-07-23T15:34:11","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-16584-aws-api-mcp-server-security-policy-bypass-via-startup-failure\/"},"modified":"2026-07-23T19:04:11","modified_gmt":"2026-07-23T15:34:11","slug":"cve-2026-16584-aws-api-mcp-server-security-policy-bypass-via-startup-failure","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-16584-aws-api-mcp-server-security-policy-bypass-via-startup-failure\/","title":{"rendered":"CVE-2026-16584 &#8211; AWS API MCP Server Security Policy Bypass via Startup Failure"},"content":{"rendered":"<p>CVE ID :CVE-2026-16584<\/p>\n<p>  Published : July 23, 2026, 3:34 p.m. | 14\u00a0minutes ago<\/p>\n<p>  Description :Improper handling of an initialization failure in AWS API MCP Server from 0.2.13 through 1.3.46 might allow an actor to bypass the user-configured security policy and execute AWS API operations that the policy was set to deny or gate. When initialization of the security policy enforcement data fails at server startup, the policy check is skipped for the lifetime of the process. IAM permissions on the configured credentials remain in effect and are unaffected.<\/p>\n<p>To remediate this issue, users should upgrade to version 1.3.47.<\/p>\n<p>  Severity: 7.3 | HIGH<\/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-2026-16584 Published : July 23, 2026, 3:34 p.m. | 14\u00a0minutes ago Description :Improper handling of an initialization failure in AWS API MCP Server from 0.2.13 through 1.3.46 might allow an actor to bypass the user-configured security policy and execute AWS API operations that the policy was set to deny or gate. When initialization &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-82450","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82450","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=82450"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82450\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}