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Vulnerability record · CVE-2026-59564 · published 24 August 2026
CVE-2026-59564: An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connec…
An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connector and the Zscaler Client Connector Portal.
9.1 CVSS 3.1 Critical EPSS 0.53% · top 57.6% CWE-304 · CWE-304 Awaiting Analysis
9.1CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
28 Aug 2026Last modified by NVD
Description
An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connector and the Zscaler Client Connector Portal.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References
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Source: NIST National Vulnerability Database (record CVE-2026-59564), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
