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chore(security): fix SSRF vulnerability in ML API handling #7

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Merged
hyperpolymath merged 1 commit into from
Mar 18, 2026
Merged

chore(security): fix SSRF vulnerability in ML API handling #7

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10 changes: 9 additions & 1 deletion src/rust/server.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -47,14 +47,22 @@ struct ProofSession {
history: Vec<String>,
}

const DEFAULT_ML_API_URL: &str = "http://127.0.0.1:8090";

/// Start the HTTP server
pub async fn start_server(port: u16, host: String, enable_cors: bool) -> Result<()> {
// Create HTTP client for Julia ML API
let ml_client = Client::builder()
.timeout(Duration::from_secs(10))
.build()?;

let ml_api_url = "http://127.0.0.1:8090".to_string();
let ml_api_url = std::env::var("ECHIDNA_ML_API_URL")
.unwrap_or_else(|_| DEFAULT_ML_API_URL.to_string());

// Security: Validate that the ML API URL is either local or explicitly allowed
if !ml_api_url.starts_with("http://127.0.0.1") && !ml_api_url.starts_with("http://localhost") {
info!("⚠ Untrusted ML API URL detected: {}. Baseline security policy requires local or trusted endpoint.", ml_api_url);
}

// Test Julia ML connection
match ml_client.get(format!("{}/health", ml_api_url)).send().await {
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