Zscaler Client Connector prior 4.7.0.141/4.8.0.63 on Windows Startup Configuration improper validation of unsafe equivalence in input

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.50

Summaryinfo

A vulnerability, which was classified as critical, was found in Zscaler Client Connector on Windows. The affected element is an unknown function of the component Startup Configuration. The manipulation results in improper validation of unsafe equivalence in input. This vulnerability is identified as CVE-2026-22569. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Zscaler Client Connector on Windows. It has been classified as critical. Affected is some unknown functionality of the component Startup Configuration. The manipulation with an unknown input leads to a improper validation of unsafe equivalence in input vulnerability. CWE is classifying the issue as CWE-1289. The product receives an input value that is used as a resource identifier or other type of reference, but it does not validate or incorrectly validates that the input is equivalent to a potentially-unsafe value. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at help.zscaler.com. This vulnerability is traded as CVE-2026-22569 since 01/07/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 4.7.0.141 or 4.8.0.63 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (Zscaler): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of unsafe equivalence in input
CWE: CWE-1289 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Client Connector 4.7.0.141/4.8.0.63

Timelineinfo

01/07/2026 CVE reserved
03/31/2026 +82 days Advisory disclosed
03/31/2026 +0 days VulDB entry created
03/31/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: help.zscaler.com
Status: Confirmed

CVE: CVE-2026-22569 (🔒)
GCVE (CVE): GCVE-0-2026-22569
GCVE (VulDB): GCVE-100-354426

Entryinfo

Created: 03/31/2026 17:57
Changes: 03/31/2026 17:57 (63)
Complete: 🔍
Cache ID: 216:76B:103

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