CVE-2026-19377 | Cato Client for Windows Tunnel Handshake certificate validation (EUVD-2026-101881)

October 15, 2026 Yanac

A vulnerability, which was classified as problematic, has been found in Cato Client for Windows, Client for macOS, Client for Linux, Client for iOS and Client for Android. Affected by this vulnerability is an unknown functionality of the component Tunnel Handshake. Performing a manipulation results in improper certificate validation.

This vulnerability is cataloged as CVE-2026-19377. It is possible to initiate the attack remotely. There is no exploit available.VulDB Recent EntriesRead More