ZscalerCVE-2026-59569
Zscaler Client Connector: improper input validation
High8.1CVE-2026-59569 · Published Sep 14, 2026 · updated Sep 18, 2026
An improper input validation vulnerability in Zscaler Client Connector on Android and ChromeOS allows an attacker to potentially bypass Zscaler controls.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Client Connector Product | < Android: 4.2.0.152 | Android: 4.2.0.152 |
| < ChromeOS: 4.2.0.152 | ChromeOS: 4.2.0.152 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-20
More Zscaler advisories
All Zscaler| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 18 | Zscaler: improper input validation | Medium4.4 | No fix yet |
| Sep 14 | Zscaler Client Connector: improper input validation | High7.5 | Android: 4.2.0.152+1 more |
| Sep 14 | Zscaler Client Connector: race condition | High8.1 | 4.6.0.486+3 more |
| Aug 24 | Zscaler Client Connector: privilege escalation | High8.8 | Windows: 4.6.0.457+8 more |
| Aug 24 | Zscaler Client Connector: remote code execution | Critical9.1 | Windows: 4.6.0.457+8 more |
| Aug 24 | Zscaler Client Connector: authentication bypass | Critical9.1 | Windows: 4.6.0.457+7 more |