CVE-2026-58483 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, weburlread in src/index.ts passes a caller-supplied URL to readUrlContent in src/url-reader.ts, where checkContentLength treats a missing Content-Length...

CVE-2026-58483 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, weburlread in src/index.ts passes a caller-supplied URL to readUrlContent in src/url-reader.ts, where checkContentLength treats a missing Content-Length...

CVE-2026-58485 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, weburlread receives its caller-controlled URL through src/index.ts and validates only the literal hostname in assertUrlAllowed within src/url-reader.ts...

CVE-2026-58485 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, weburlread receives its caller-controlled URL through src/index.ts and validates only the literal hostname in assertUrlAllowed within src/url-reader.ts...

CVE-2026-58485

mcp-searxng , a Model Context Protocol server providing AI assistants web search and URL-reading via SearXNG, is vulnerable to Server-Side Request Forgery (SSRF) in the web_url_read tool prior to version 1.7.1 . The assertUrlAllowed() function in src/url-reader.ts performs only a lexical hostname...

CVE-2026-58485 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, weburlread receives its caller-controlled URL through src/index.ts and validates only the literal hostname in assertUrlAllowed within src/url-reader.ts...

CVE-2026-54688

CVE-2026-54688 is a Server-Side Request Forgery (SSRF) in mcp-searxng , a Model Context Protocol server providing AI assistants with web search and URL-reading via SearXNG. Prior to 1.2.0 , the web_url_read tool passes a caller-supplied URL to a server-side fetch path, but the internal-address gu...

CVE-2026-54688 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, weburlread passes a caller-supplied URL to the server-side fetch path while assertUrlAllowed in src/url-reader.ts runs only when MCPHTTPHARDEN is enable...

CVE-2026-54688 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, weburlread passes a caller-supplied URL to the server-side fetch path while assertUrlAllowed in src/url-reader.ts runs only when MCPHTTPHARDEN is enable...

CVE-2026-54688 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, weburlread passes a caller-supplied URL to the server-side fetch path while assertUrlAllowed in src/url-reader.ts runs only when MCPHTTPHARDEN is enable...

CVE-2026-54689 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 weburlread URL policy in src/url-reader.ts can be bypassed while MCPHTTPHARDEN is enabled and MCPHTTPALLOWPRIVATEURLS is not enabled because redirec...

CVE-2026-58483: Uncontrolled Resource Consumption

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, weburlread in src/index.ts passes a caller-supplied URL to readUrlContent in src/url-reader.ts, where checkContentLength treats a missing Content-Length...

CVE-2026-54688: Server-Side Request Forgery (SSRF)

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, weburlread passes a caller-supplied URL to the server-side fetch path while assertUrlAllowed in src/url-reader.ts runs only when MCPHTTPHARDEN is enable...

CVE-2026-58485: Server-Side Request Forgery (SSRF)

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, weburlread receives its caller-controlled URL through src/index.ts and validates only the literal hostname in assertUrlAllowed within src/url-reader.ts...

CVE-2026-54689: Exposure of Sensitive Information to an Unauthorized Actor

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 weburlread URL policy in src/url-reader.ts can be bypassed while MCPHTTPHARDEN is enabled and MCPHTTPALLOWPRIVATEURLS is not enabled because redirec...

GHSA-WPPF-H75H-6PM6 SearXNG MCP Server: Additional hardened-mode SSRF bypasses

Summary mcp-searxng has a hardened-mode URL-reading feature intended to prevent weburlread from reaching private or internal network resources. PR 79 appears to address one SSRF class: hostnames that resolve to private or internal addresses under hardened mode. I tested PR 79 locally and confirme...

NPM: SearXNG MCP Server is Vulnerable to SSRF in web_url_read: the internal-address guard is disabled by default (MCP_HTTP_HARDEN off)

NPM: SearXNG MCP Server is Vulnerable to SSRF in weburlread: the internal-address guard is disabled by default MCPHTTPHARDEN off vulnerability discovered by ? in WordPress Npm mcp-searxng versions 1.2.1...

SearXNG MCP Server is Vulnerable to SSRF in web_url_read: the internal-address guard is disabled by default (MCP_HTTP_HARDEN off)

Ref: https://github.com/ihor-sokoliuk/mcp-searxng/issues/87issuecomment-4645453694 Summary The weburlread tool fetches a caller-supplied URL server-side and converts it to markdown. An SSRF guard assertUrlAllowed, which blocks private/loopback/metadata addresses exists but runs only when...

GHSA-Q87F-QC2R-2GW4 SearXNG MCP Server is Vulnerable to SSRF in web_url_read: the internal-address guard is disabled by default (MCP_HTTP_HARDEN off)

Ref: https://github.com/ihor-sokoliuk/mcp-searxng/issues/87issuecomment-4645453694 Summary The weburlread tool fetches a caller-supplied URL server-side and converts it to markdown. An SSRF guard assertUrlAllowed, which blocks private/loopback/metadata addresses exists but runs only when...