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AWS neptune documentation change

Service: neptune · 2026-03-13 · Documentation medium

File: neptune/latest/userguide/access-graph-gremlin-node-js.md

Summary

Added a new section 'IAM authentication' explaining how to use IAM authentication with JavaScript client for Neptune DB clusters.

Security assessment

The change adds documentation about IAM authentication for JavaScript clients, which is a security feature for access control. It details the use of Signature Version 4 signing. This is an addition to security documentation, not a fix for a security issue.

Diff

diff --git a/neptune/latest/userguide/access-graph-gremlin-node-js.md b/neptune/latest/userguide/access-graph-gremlin-node-js.md
index 8c108d402..1f80d4e65 100644
--- a//neptune/latest/userguide/access-graph-gremlin-node-js.md
+++ b//neptune/latest/userguide/access-graph-gremlin-node-js.md
@@ -4,0 +5,2 @@
+IAM authentication
+
@@ -85,0 +88,4 @@ This is a standalone Node.js example. If you are planning to run code like this
+## IAM authentication
+
+Neptune supports [IAM authentication](./iam-auth-enable.html) to control access to your DB cluster. If you have IAM authentication enabled, you need to use Signature Version 4 signing to authenticate your requests. For detailed instructions and code examples for connecting from a JavaScript client, see [Connecting to Amazon Neptune databases using IAM authentication with Gremlin JavaScript](./gremlin-javascript-iam-auth.html).
+