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AWS opensearch-service documentation change

Service: opensearch-service · 2026-03-16 · Documentation medium

File: opensearch-service/latest/developerguide/application-release-history.md

Summary

Added documentation for cross-account data access feature using IAM/Identity Center authentication

Security assessment

Documents security controls for a new access management feature but does not address vulnerabilities

Diff

diff --git a/opensearch-service/latest/developerguide/application-release-history.md b/opensearch-service/latest/developerguide/application-release-history.md
index 98f0169ae..d952be536 100644
--- a//opensearch-service/latest/developerguide/application-release-history.md
+++ b//opensearch-service/latest/developerguide/application-release-history.md
@@ -10,0 +11 @@ Change | Release date | Description
+New feature |  2025-03-10 | OpenSearch UI now supports cross-account data access to OpenSearch domains. You can configure applications in one account to access domains in different accounts using IAM or AWS IAM Identity Center authentication, for both public and VPC domains. For more information, see [Cross-account data access to OpenSearch domains](./application-cross-account-data-access-domains.html).