AWS redshift medium security documentation change

Service: redshift · 2025-10-13 · Security-related medium

File: redshift/latest/dg/r_USER_IS_MEMBER_OF.md

Summary

Added deprecation notice for user_is_member_of functions accessing consumer information via datasharing

Security assessment

The deprecation of functions that access consumer user/role/group information through datasharing suggests potential security improvements in access control mechanisms. This change documents a security-relevant phase-out of functionality that could be related to privilege management or data exposure risks.

Diff

diff --git a/redshift/latest/dg/r_USER_IS_MEMBER_OF.md b/redshift/latest/dg/r_USER_IS_MEMBER_OF.md
index cdba34c3f..4267d8221 100644
--- a//redshift/latest/dg/r_USER_IS_MEMBER_OF.md
+++ b//redshift/latest/dg/r_USER_IS_MEMBER_OF.md
@@ -10,0 +11,4 @@ Amazon Redshift will no longer support the creation of new Python UDFs starting
+###### Important
+
+Starting February 16, 2026, Amazon Redshift will no longer support the usage of `user_is_member_of` and related functions that access consumer user, role, or group information through datasharing.
+