AWS clean-rooms medium security documentation change

Service: clean-rooms · 2025-06-28 · Security-related medium

File: clean-rooms/latest/userguide/create-config-table-s3.md

Summary

Added important note about AWS Glue schema alignment requirements for CSV data

Security assessment

Warns about potential security implications of schema/data misalignment leading to improper enforcement of allowed columns, which could result in data exposure

Diff

diff --git a/clean-rooms/latest/userguide/create-config-table-s3.md b/clean-rooms/latest/userguide/create-config-table-s3.md
index 9c744f4f8..a782c6464 100644
--- a//clean-rooms/latest/userguide/create-config-table-s3.md
+++ b//clean-rooms/latest/userguide/create-config-table-s3.md
@@ -58,0 +59,4 @@ To verify that this is the correct table, do either one of the following:
+###### Important
+
+For AWS Glue tables where the data is in CSV format, the column names and order in the Glue schema must exactly match the CSV data. If they don't align, the allowed columns list for the configured table might not be enforced properly.
+