CVE-2026-12254

The Netskope Client (NSClient) is vulnerable to a WebView Persistence issue in all versions prior to R142 . When a system connects to an access point with a Captive Portal and subsequently switches to a network with existing internet connectivity, the Captive Portal fails to close. This gap allow...

CVE-2026-12254 Netskope Client Captive Portal WebView Persistence allowing SWG bypass issue

Netskope is notified about a potential gap in its agent NSClient where a system with Netskope Client while connecting to an access point with Captive Portal switches to a Network which already has internet connectivity, the Captive Portal does not close. This allows the possibility of abuse via t...