CVE-2026-59568

Remote Code Execution

State: Published
Severity: 9.1 Critical
Published: Aug 24, 2026
Updated: Aug 25, 2026
Reserved: Jul 6, 2026

Description

Multiple vulnerabilities on affected versions of Zscaler Client Connector allow remote code execution, giving an unauthenticated, unprivileged user the ability to execute arbitrary code in the ZCC context.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	Zscaler

Weaknesses

CWE-20 Improper input validation

Affected Products

Product	Versions
Client ConnectorZscaler	before Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372Affected before MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191Affected before Linux: 3.7.2.64, 4.2.1.64Affected before Android: 4.2Affected before ChromeOS: 4.2Affected before iOS: 4.5.1Affected

References

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026

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