<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Cross-Site Request Forgery — CraftedSignal Threat Feed</title><link>https://feed.craftedsignal.io/tags/cross-site-request-forgery/</link><description>Trending threats, MITRE ATT&amp;CK coverage, and detection metadata — refreshed continuously.</description><generator>Hugo</generator><language>en</language><managingEditor>hello@craftedsignal.io</managingEditor><webMaster>hello@craftedsignal.io</webMaster><lastBuildDate>Tue, 24 Mar 2026 00:16:30 +0000</lastBuildDate><atom:link href="https://feed.craftedsignal.io/tags/cross-site-request-forgery/feed.xml" rel="self" type="application/rss+xml"/><item><title>Go MCP SDK Vulnerable to Cross-Site POST Requests (CVE-2026-33252)</title><link>https://feed.craftedsignal.io/briefs/2024-01-01-go-mcp-cve/</link><pubDate>Tue, 24 Mar 2026 00:16:30 +0000</pubDate><author>hello@craftedsignal.io</author><guid isPermaLink="true">https://feed.craftedsignal.io/briefs/2024-01-01-go-mcp-cve/</guid><description>The Go MCP SDK before v1.4.1 is vulnerable to cross-site POST requests due to insufficient origin validation and content type enforcement, potentially leading to arbitrary tool execution on local servers in stateless or sessionless deployments.</description><content:encoded><![CDATA[<p>The Go MCP SDK, utilizing Go&rsquo;s standard <code>encoding/json</code>, was found to have a vulnerability related to cross-site request handling. Specifically, versions prior to 1.4.1 of the SDK&rsquo;s Streamable HTTP transport accepted browser-generated cross-site <code>POST</code> requests without proper validation. The absence of <code>Origin</code> header validation and the lack of a requirement for <code>Content-Type: application/json</code> created a security gap. In deployments lacking robust authorization mechanisms, particularly those…</p>
]]></content:encoded><category domain="severity">high</category><category domain="type">advisory</category><category>cve-2026-33252</category><category>cross-site request forgery</category><category>go-mcp-sdk</category></item></channel></rss>