CVE-2026-59309

critical

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.

References

https://thehackernews.com/2026/08/suspected-china-nexus-actor-exploits.html

https://thehackernews.com/2026/08/attackers-exploit-vmware-vcenter.html

https://docs.cloud.google.com/support/bulletins/index#gcp-2026-051

https://www.bleepingcomputer.com/news/security/vmware-fixes-three-critical-flaws-allowing-auth-bypass-vm-escapes/

https://www.securityweek.com/critical-vm-escape-vulnerability-patched-in-vmware-esxi/

https://thehackernews.com/2026/07/three-critical-vmware-flaws-allow-auth.html

https://securityaffairs.com/196231/security/broadcom-patches-critical-vmware-esxi-vulnerability-enabling-host-code-execution.html

https://docs.cloud.google.com/support/bulletins/index#gcp-2026-050

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

Details

Source: Mitre, NVD

Published: 2026-07-30

Updated: 2026-08-25

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H