Skip to content
VulniPulse
Critical9.8VMware (Broadcom)

Critical [CVE-2026-59309] vCenter: VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service.

This critical-severity VMware (Broadcom) advisory covers CVE-2026-59309 affecting Cloud Foundation, vSphere Foundation, vCenter.

CVE-2026-59309 Published Jul 30, 2026Updated by vendor Aug 25, 2026
Affected products & platforms
VMware (Broadcom)ESXivCenterCloud FoundationvSphere
Open vendor advisory

Android app · Google Play

Monitor future VMware (Broadcom) CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Summary

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.

Affected products named by the advisory: Cloud Foundation; vSphere Foundation; Telco Cloud Infrastructure; Telco Cloud Platform.

Affected versions
  • Cloud Foundation 9.1.x.x
  • Cloud Foundation 9.0.x.x
  • Cloud Foundation 5.x
  • vSphere Foundation 9.1.x.x
  • vSphere Foundation 9.0.x.x
  • vCenter 9.1.x.x before 9.1.0.0300
  • vCenter 9.0.x.x before 9.0.2.0100
  • vCenter 8.0 before 8.0 U3k
  • Telco Cloud Infrastructure 3.0
  • Telco Cloud Platform 5.1.x
  • Telco Cloud Platform 5.0.x
  • Telco Cloud Platform 4.x

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 9.1.0.0300
  • 9.0.2.0100
  • 8.0 U3k

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 9.1.0.0300, 9.0.2.0100, 8.0 U3k. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.