---
title: "Acquia Cloud - November 6, 2019"
date: "2025-09-12T05:57:24+00:00"
summary: "Upgrade SimpleSAMLphp to v1.17.7 for critical security fix. Acquia Cloud users: protect your applications now."
image:
type: "announcement"
url: "/acquia-cloud-platform/release/2019-11-06/77056-acquia-cloud-november-6-2019"
id: "4fb0945d-876a-4482-ae70-e0b31e0747c1"
---

Important

Acquia recommends all applications using [SimpleSAMLphp](https://simplesamlphp.org/) upgrade to version 1.17.7 to fix a critical [security vulnerability](https://simplesamlphp.org/security).