CVE-2026-59570
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductClient Connector
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- Zscaler Client ConnectorAndroid: 4.2.0.152, ChromeOS: 4.2.0.152 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Zscaler Client Connector | v < Android: 4.2.0.152, v < ChromeOS: 4.2.0.152 | Android: 4.2.0.152, ChromeOS: 4.2.0.152 |
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