AWS cli medium security documentation change

Service: cli · 2025-08-19 · Security-related medium

File: cli/latest/reference/s3control/update-access-grants-location.md

Summary

Updated CLI version reference and added warning about URL encoding header values with spaces.

Security assessment

The added URL encoding warning helps prevent security issues related to header parsing vulnerabilities, making this a security documentation improvement.

Diff

diff --git a/cli/latest/reference/s3control/update-access-grants-location.md b/cli/latest/reference/s3control/update-access-grants-location.md
index 5da4a8929..9607f0da4 100644
--- a//cli/latest/reference/s3control/update-access-grants-location.md
+++ b//cli/latest/reference/s3control/update-access-grants-location.md
@@ -15 +15 @@
-  * [AWS CLI 2.28.11 Command Reference](../../index.html) »
+  * [AWS CLI 2.28.12 Command Reference](../../index.html) »
@@ -68,0 +69,4 @@ You must also have the following permission: `iam:PassRole`
+### Warning
+
+You must URL encode any signed header values that contain spaces. For example, if your header value is `my file.txt` , containing two spaces after `my` , you must URL encode this value to `my%20%20file.txt` .
+
@@ -247 +251 @@ IAMRoleArn -> (string)
-  * [AWS CLI 2.28.11 Command Reference](../../index.html) »
+  * [AWS CLI 2.28.12 Command Reference](../../index.html) »