CVE-2026-59564

An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connector and the Zscaler Client Connector Portal.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-24 14:16

Updated : 2026-08-28 18:39

NVD link : CVE-2026-59564

Mitre link : CVE-2026-59564

CVE.ORG link : CVE-2026-59564

JSON object : View

Products Affected

No product.

CWE

CWE-304

Missing Critical Step in Authentication

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