CVE-2026-22569
mediumpriority · track · 21EPSS 0.002 · 7 %ileDEEUUSEPSS · scored 2026-10-21
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedZscaler Client Connectorcisa_csaf_it
Fixed in 4.7.0.141.
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (15)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- VA-26-092-02Zscaler Client Connector hard-coded proxy configuration domain2026-04-02csaf · cisa_csaf_itUS
Zscaler Client Connector 4.7 and 4.8 on Microsoft Windows misspell a domain that is added by default to an internal bypass list. This could lead to a limited amount of traffic from being inspected under specific circumstances.
- WID-SEC-W-2026-0938ZScaler Client Connector: Schwachstelle ermöglicht Manipulation von DatenDeutsch2026-03-31csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in ZScaler Client Connector ausnutzen, um Daten zu manipulieren.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
- https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025cnnvd
- https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025enisa_euvd
- https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan