CVE-2021-26738

HIGH 7.8CVE-2021-26738 · Published 23/10/2023 · updated 17/06/2026

In short

CVE-2021-26738 is a HIGH (CVSS 7.8) vulnerability affecting client connector (zscaler).
Chance of exploitation in the next 30 days (EPSS): 0.23%, higher than 14.2% of all vulnerabilities.
Fix: update to 3.7 or later.

Package	Affected versions	Patched versions
client connector zscaler	`< 3.7`	`3.7`

Description

Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.

References

help.zscaler.com/client-connector/client-connector-app-release-summary-2022 · Release Notes

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Package

Affected versions

Patched versions

client connector

zscaler

< 3.7

3.7

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