CVE-2026-22569 PUBLISHED

Incorrect startup configuration in ZCC

Assigner: Zscaler
Reserved: 07.01.2026 Published: 31.03.2026 Updated: 31.03.2026

An incorrect startup configuration of affected versions of Zscaler Client Connector on Windows may cause a limited amount of traffic from being inspected under rare circumstances.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS Score: 5.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Zscaler
Product	Zscaler Client Connector
Versions	Default: unaffected affected from 4.7 to 4.7.0.141 (excl.) affected from 4.8 to 4.8.0.63 (excl.)

Credits

Jordan Eberst, CISA reporter

References

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025

Problem Types

CWE-1289 Improper validation of unsafe equivalence in input CWE

Impacts

CAPEC-554 Functionality Bypass