Remote Code Execution
Summary
| CVE | CVE-2026-59568 |
|---|---|
| State | PUBLISHED |
| Assigner | Zscaler |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-24 14:16:56 UTC |
| Updated | 2026-08-28 18:39:48 UTC |
| Description | Multiple vulnerabilities on affected versions of Zscaler Client Connector allow remote code execution, giving an unauthenticated, unprivileged user the ability to execute arbitrary code in the ZCC context. |
Risk And Classification
Primary CVSS: v3.1 9.1 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.003810000 probability, percentile 0.310880000 (date 2026-08-30)
Problem Types: CWE-20 | CWE-20 CWE-20 Improper input validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 9.1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| 3.1 | CNA | CVSS | 9.1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Zscaler | Client Connector | affected Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372 custom | Windows, MacOS, Linux, iOS, Android, ChromeOS |
| CNA | Zscaler | Client Connector | affected MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 custom | Windows, MacOS, Linux, iOS, Android, ChromeOS |
| CNA | Zscaler | Client Connector | affected Linux: 3.7.2.64, 4.2.1.64 custom | Windows, MacOS, Linux, iOS, Android, ChromeOS |
| CNA | Zscaler | Client Connector | affected Android: 4.2 custom | Windows, MacOS, Linux, iOS, Android, ChromeOS |
| CNA | Zscaler | Client Connector | affected ChromeOS: 4.2 custom | Windows, MacOS, Linux, iOS, Android, ChromeOS |
| CNA | Zscaler | Client Connector | affected iOS: 4.5.1 custom | Windows, MacOS, Linux, iOS, Android, ChromeOS |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary... | [email protected] | help.zscaler.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.