CVE-2026-59309

vCenter authentication-bypass vulnerability

State: Published
Severity: 9.8 Critical
Published: Jul 30, 2026
Updated: Jul 30, 2026
Reserved: Jul 4, 2026

Description

VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	vmware

Weaknesses

CWE-303 Incorrect implementation of authentication algorithm

Affected Products

Product	Versions
Cloud FoundationVMware	9.1.x.xAffected 9.0.x.xAffected 5.xAffected
vSphere FoundationVMware	9.1.x.xAffected 9.0.x.xAffected
vCenterVMware	9.1.x.x to before 9.1.0.0300Affected 9.0.x.x to before 9.0.2.0100Affected 8.0 to before 8.0 U3kAffected
Telco Cloud InfrastructureVMware	3.0Affected
Telco Cloud PlatformVMware	5.1.xAffected 5.0.xAffected 4.xAffected 3.0Affected

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017

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