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coderabbitai bot commented Dec 14, 2025

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✨ Finishing touches
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branch nk/chats

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});
// Generate unique IDs for this session
this.conversationId = `conv-${Date.now()}`;
this.userId = `user-${Math.random().toString(36).substring(7)}`;

Check failure

Code scanning / CodeQL

Insecure randomness High

This uses a cryptographically insecure random number generated at
Math.random()
in a security context.

Copilot Autofix

AI 1 day ago

To fix the insecure randomness in generating userId, replace Math.random() with a cryptographically secure random value generator. In Node.js, this is best achieved using the crypto module's randomBytes() function.

  • Step-by-step:
    1. Import the crypto module.
    2. Replace the code generating the random string with something based on crypto.randomBytes, e.g., converting the output to hex or base36 for compactness.
  • Only lines within the file packages/sample-app/src/sample_chatbot_interactive.ts should be changed: add the required import, and replace the assignment on line 40.

Suggested changeset 1
packages/sample-app/src/sample_chatbot_interactive.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/sample-app/src/sample_chatbot_interactive.ts b/packages/sample-app/src/sample_chatbot_interactive.ts
--- a/packages/sample-app/src/sample_chatbot_interactive.ts
+++ b/packages/sample-app/src/sample_chatbot_interactive.ts
@@ -3,6 +3,7 @@
 import { streamText, CoreMessage, tool } from "ai";
 import * as readline from "readline";
 import { z } from "zod";
+import * as crypto from "crypto";
 
 import "dotenv/config";
 
@@ -37,7 +38,8 @@
     });
     // Generate unique IDs for this session
     this.conversationId = `conv-${Date.now()}`;
-    this.userId = `user-${Math.random().toString(36).substring(7)}`;
+    // Use crypto.randomBytes to generate a cryptographically secure random userId
+    this.userId = `user-${crypto.randomBytes(8).toString("hex")}`;
   }
 
   @traceloop.task({ name: "summarize_interaction" })
EOF
@@ -3,6 +3,7 @@
import { streamText, CoreMessage, tool } from "ai";
import * as readline from "readline";
import { z } from "zod";
import * as crypto from "crypto";

import "dotenv/config";

@@ -37,7 +38,8 @@
});
// Generate unique IDs for this session
this.conversationId = `conv-${Date.now()}`;
this.userId = `user-${Math.random().toString(36).substring(7)}`;
// Use crypto.randomBytes to generate a cryptographically secure random userId
this.userId = `user-${crypto.randomBytes(8).toString("hex")}`;
}

@traceloop.task({ name: "summarize_interaction" })
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2 participants