CVE-2026-40956

CVE-2026-40956 is a memory disclosure vulnerability in Secure Access client versions prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can cause a small amount of random memory to leak...

Citrix Secure Access for Windows fails to allow traffic through VPN after an upgrade to 23.x.x.x

After a successful connection to the Citrix Secure Access CSA client in full tunnel, none of the traffic passes through the VPN. Access to the applications using an IP address or DNS over the tunnel is blocked. The issue is limited to domain-joined machines where the Intranet IP address is...

Secure Web with PAC File unable to authenticate fails with http 407 error

While evaluating XenMobile with Secure Web with PAC File,Webproxy after reading the PAC file request Authentication, but it seems that Secure Web does not provide authentication. Therefore we get an Authentication failure from the Webproxy on the webpage of the Proxy within Secure Web. MDX Settin...

How to Disable Single Sign-On in NetScaler

This article describes how to disable Single Sign-On in NetScaler. Background In XenMobile, in some use cases the app may want to perform NTLM authentication of a user that was not used during enrollment. In such situation, the app uses Full Tunnel mode and so would like to send the credentials...