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CVE-2026-59564
9.1 CRITICAL
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): None (N)
Activity log
- Created & dismissed (no matching packages found) suggestion
Authentication bypass between ZCC and client connector portal
An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connector and the Zscaler Client Connector Portal.
Affected products
Client Connector
- <MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191
- <Android: 4.2
- <Linux: 3.7.2.64, 4.2.1.64
- <ChromeOS: 4.2
- <iOS: 4.5.1
- <Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372