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CVE-2026-59568— Remote Code Execution

Quick assessment

Affected
Zscaler Client Connector
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zscaler Client Connector 的受影响版本中存在多个漏洞，允许远程代码执行，从而使未经认证且无特权的用户能够在 ZCC 上下文中执行任意代码。

CVSS 9.1 · Critical EPSS 0.38% · P31

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
Zscaler Client Connector < Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372 affected
< MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 affected
< Linux: 3.7.2.64, 4.2.1.64 affected
< Android: 4.2 affected
< ChromeOS: 4.2 affected
< iOS: 4.5.1 affected
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I. Basic Information for CVE-2026-59568

Vulnerability Information
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Vulnerability Title
Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zscaler Client Connector 0 ~ Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372 -

II. Public POCs for CVE-2026-59568

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III. Intelligence Information for CVE-2026-59568

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Same Patch Batch · Zscaler · 2026-08-24 · 5 CVEs total

CVE-2026-59564 9.1 CRITICAL Authentication bypass between ZCC and client connector portal
CVE-2026-59565 8.8 HIGH Local and kernel denial-of-service
CVE-2026-59567 8.8 HIGH Local privilege escalation
CVE-2026-59566 8.4 HIGH Local denial-of-service

IV. Related Vulnerabilities

Same product: Client Connector
Same vendor: Zscaler
Same weakness: CWE-20

V. Comments for CVE-2026-59568

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