What is CVE-2026-59569?

CVE-2026-59569 is a high-severity vulnerability in Zscaler Client Connector, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-09-14.

How severe is CVE-2026-59569?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Zscaler Client Connector

CVE-2026-59569

An improper input validation vulnerability in Zscaler Client Connector on Android and ChromeOS allows an attacker to potentially bypass Zscaler controls.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L.

Affected products

Zscaler Client Connector

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@zscaler.com

Frequently asked questions

What is CVE-2026-59569?: CVE-2026-59569 is a high-severity vulnerability in Zscaler Client Connector, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-09-14.
How severe is CVE-2026-59569?: High severity. CVSS v3 base score is 8.1 out of 10.