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High 7.5
mcp-searxng: Unbounded Response Body Read Bypasses URL Size Limit in `web_url_read`
mcp-searxng is a Model Context Protocol server that gives AI assistants web search and URL-reading capabilities through SearXNG. Prior to 1.7.1, web_url_read in src/index.ts passes a caller-supplied URL to readUrlContent() in src/url-reader.ts, where checkCon…
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High 7.1
mcp-searxng: DNS-resolved Private Hostname SSRF in `web_url_read`
mcp-searxng is a Model Context Protocol server that gives AI assistants web search and URL-reading capabilities through SearXNG. Prior to 1.7.1, web_url_read receives its caller-controlled URL through src/index.ts and validates only the literal hostname in as…
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Medium 6.5
mcp-searxng: SSRF in web_url_read: the internal-address guard is disabled by default (MCP_HTTP_HARDEN off)
mcp-searxng is a Model Context Protocol server that gives AI assistants web search and URL-reading capabilities through SearXNG. Prior to 1.2.0, web_url_read passes a caller-supplied URL to the server-side fetch path while assertUrlAllowed() in src/url-reader…
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Medium 6.3
mcp-searxng hardened-mode SSRF bypasses permit internal URL access
mcp-searxng is a Model Context Protocol server that gives AI assistants web search and URL-reading capabilities through SearXNG. Prior to 1.2.0, the web_url_read URL policy in src/url-reader.ts can be bypassed while MCP_HTTP_HARDEN is enabled and MCP_HTTP_ALL…
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Medium 5.5
SearXNG Basic Authentication Credentials Exposed Through MCP Logs and JSON-RPC Error Responses
### Summary mcp-searxng version 1.11.0 exposes SearXNG Basic Authentication credentials embedded in the `SEARXNG_URL` environment variable. When the server starts in STDIO mode and an MCP client connects, the complete `SEARXNG_URL`, including its username and…