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AWS athena high security documentation change

Service: athena · 2026-03-31 · Security-related high

File: athena/latest/ug/odbc-v2-driver-browser-saml.md

Summary

Added security update notes for v2.1.0.0: CSRF protection via RelayState validation and validation of login URL format.

Security assessment

Explicitly mentions a security update adding CSRF protection, which addresses a specific security vulnerability. Also adds validation for login URL format to prevent malicious URLs.

Diff

diff --git a/athena/latest/ug/odbc-v2-driver-browser-saml.md b/athena/latest/ug/odbc-v2-driver-browser-saml.md
index 71ecba3b9..e0d0c056d 100644
--- a//athena/latest/ug/odbc-v2-driver-browser-saml.md
+++ b//athena/latest/ug/odbc-v2-driver-browser-saml.md
@@ -10,0 +11,4 @@ Browser SAML is a generic authentication plugin that can work with SAML based id
+###### Note
+
+v2.1.0.0 security update: Starting in v2.1.0.0, the BrowserSAML plugin includes CSRF protection via RelayState validation. The driver generates a random state token, includes it as a RelayState parameter in the login URL, and validates it against the received response before accepting SAML assertions.
+
@@ -36,0 +41,4 @@ The single sign-on URL that is displayed for your application.
+###### Important
+
+Starting in v2.1.0.0, the login URL must use HTTP or HTTPS protocol with a valid authority. The driver validates the URL format before initiating the authentication flow.
+