CVE-2026-59568 PUBLISHED

Remote Code Execution

Assigner: Zscaler
Reserved: 06.07.2026 Published: 24.08.2026 Updated: 24.08.2026

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.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Zscaler
Product	Client Connector
Versions	Default: unaffected affected from 0 to Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372 (excl.) affected from 0 to MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 (excl.) affected from 0 to Linux: 3.7.2.64, 4.2.1.64 (excl.) affected from 0 to Android: 4.2 (excl.) affected from 0 to ChromeOS: 4.2 (excl.) affected from 0 to iOS: 4.5.1 (excl.)

References

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

Problem Types

CWE-20 Improper input validation CWE

Impacts

CAPEC-253 Remote Code Inclusion