CVE-2026-59570: Zscaler Client Connector

High severity, CVSS 7.5. EPSS: 0.1% chance of exploitation in the next 30 days.

On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.

Affected products

• Zscaler Client Connector

Published 2026-09-14. Last modified 2026-09-18.