CVE-2026-22569

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:zscaler:client_connector::::::windows::*
	cpe:2.3:a:zscaler:client_connector::::::windows::*

History

06 Apr 2026, 15:15

Type	Values Removed	Values Added
References	~~() https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025 -~~	() https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025 - Vendor Advisory
CWE		NVD-CWE-noinfo
First Time		Zscaler client Connector Zscaler
CPE		cpe:2.3:a:zscaler:client_connector::::::windows::*

31 Mar 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-31 16:16

Updated : 2026-04-06 15:15

NVD link : CVE-2026-22569

Mitre link : CVE-2026-22569

CVE.ORG link : CVE-2026-22569

JSON object : View

Products Affected

zscaler

client_connector

CWE

CWE-1289

Improper Validation of Unsafe Equivalence in Input

NVD-CWE-noinfo

{"id": "CVE-2026-22569", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@zscaler.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2026-03-31T16:16:28.993", "references": [{"url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025", "tags": ["Vendor Advisory"], "source": "cve@zscaler.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve@zscaler.com", "description": [{"lang": "en", "value": "CWE-1289"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-04-06T15:15:09.750", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "F80D78F6-5D49-4B31-B1A3-571B691A6D04", "versionEndExcluding": "4.7.0.141", "versionStartIncluding": "4.7"}, {"criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "B8E631B3-6CBF-4BED-A2AB-2F92B5DF0736", "versionEndExcluding": "4.8.0.63", "versionStartIncluding": "4.8"}], "operator": "OR"}]}], "sourceIdentifier": "cve@zscaler.com"}