Critical severity9.1NVD Advisory· Published Aug 24, 2026

CVE-2026-59564

Description

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

Affected products

Zscaler/Zscaler Client Connector Installerllm-fuzzy

Patches

Vulnerability mechanics

References

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

News mentions

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cvss	0.591
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000