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TI-2026-18137 Aliases CVE-2026-22569GHSA-m6c6-h9pc-2f7x

Incorrect startup configuration in ZCC

Priority LOW 24CWE-1289Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00185 8th percentileScored 2026-11-07
Fix Fixed Zscaler Client Connector (Zscaler): 4.7.0.141, 4.8.0.63

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ZscalerZscaler Client Connector4.7 to before 4.7.0.141; 4.8 to before 4.8.0.634.7.0.141, 4.8.0.63Patch availableCNA
  • Zscaler Client Connector VendorZscaler Affected 4.7 to before 4.7.0.141; 4.8 to before 4.8.0.63 Fixed in 4.7.0.141, 4.8.0.63 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*4.7 to before 4.7.0.141; 4.8 to before 4.8.0.63VulnerableZscaler
  • cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:* Versions 4.7 to before 4.7.0.141; 4.8 to before 4.8.0.63 Vulnerable ·Zscaler

Remediation

  • Fix · CNA Zscaler Client Connector (Zscaler) Fixed in 4.7.0.141, 4.8.0.63

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22569
  2. 2026-10-03 Alias added: GHSA-m6c6-h9pc-2f7x

References

  • TI-2020-09334 The Zscaler Client Connector for Windows prior to 2.1.2.74 had a stack based buffer… CVSS 3.1CRITICAL 9.8
  • TI-2024-15528 Local Privilege Escalation via lack of input validation CVSS 3.1CRITICAL 9.8
  • TI-2024-15526 Insecure MacOS code sign check fallback CVSS 3.1CRITICAL 9.8
  • TI-2024-15505 Multiple Arbitrary Creates/Overwrites by link following CVSS 3.1CRITICAL 9.8
  • TI-2023-13308 Out-of-bounds write to heap in pacparser CVSS 3.1CRITICAL 9.8
  • TI-2023-13315 ZCC on Linux privilege escalation CVSS 3.1CRITICAL 9.8
See all 40 →

Sources