[VICTIM] Listening on 127.0.0.1:18080 marker=SSRF_SECRET_MARKER_1783015605352_i2pfdlrc [MCP-SEND] {"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"ssrf-test-client","vers [MCP-RESP] {"result":{"protocolVersion":"2024-11-05","capabilities":{"tools":{"listChanged":true}},"serverInfo":{"name":"auth-fetch","version":"3.0.2"},"instructions":"When a user asks to read, summarize, or access a URL and Fetch/web_fetch returns a login page, empty HTML shell, or minimal content (especially [MCP-SEND] {"jsonrpc":"2.0","method":"notifications/initialized"} [MCP-SEND] {"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"download_media","arguments":{"urls":["http://[::ffff:127.0.0.1]:18080/"]}}} [MCP-RESP] {"result":{"content":[{"type":"text","text":"{\"status\":\"ok\",\"directory\":\"/data/pruva/runs/fd8b0986-aae9-476e-9f56-120d746759eb/bundle/logs/mcp-home-fixed/.auth-fetch-mcp/downloads/2026-07-02T18-06-46\",\"downloaded\":0,\"total\":1,\"files\":[{\"url\":\"http://[::ffff:127.0.0.1]:18080/\",\"err *** BLOCKED [fixed]: Security guard rejected the URL *** === RESULT [fixed] === { "label": "fixed", "marker": "SSRF_SECRET_MARKER_1783015605352_i2pfdlrc", "timedOut": false, "serverStarted": true, "healthcheckPassed": true, "toolCallReceived": true, "ssrfConfirmed": false, "blocked": true, "browserError": false, "downloadedFile": null, "downloadedContent": null, "toolResult": { "status": "ok", "directory": "/data/pruva/runs/fd8b0986-aae9-476e-9f56-120d746759eb/bundle/logs/mcp-home-fixed/.auth-fetch-mcp/downloads/2026-07-02T18-06-46", "downloaded": 0, "total": 1, "files": [ { "url": "http://[::ffff:127.0.0.1]:18080/", "error": "Refusing to fetch [::ffff:7f00:1] (resolves to private/loopback/link-local address ::ffff:7f00:1). To allow, set AUTH_FETCH_ALLOW_PRIVATE=1 or AUTH_FETCH_ALLOW_HOSTS=[::ffff:7f00:1]" } ] }, "error": null }