CVE-2026-59309: critical vulnerability in VMware vCenter
vCenter authentication-bypass vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
70Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck, has an official Brazilian government alert and has a public proof of concept.
ssvc Actcvss 9.8epss 0.6%
from disclosure to weapon64 days
Published on NVDJul 30
1st PoC+64d
VulnCheck+15d
Official alert in Brazil
Brazil's federal government published an alert, recommendation or bulletin that cites this vulnerability.
- CISC Gov.br · 19 Aug 2026Boletim do CISC de Vulnerabilidaderead on gov.br ↗
- CISC Gov.br · 04 Aug 2026Boletim do CISC de Vulnerabilidaderead on gov.br ↗
Source: CTIR Gov (GSI) and CISC Gov.br, under the CC BY-ND 3.0 license.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
VMware · Cloud FoundationVMware · Telco Cloud InfrastructureVMware · Telco Cloud PlatformVMware · vCenterVMware · vSphere Foundationpublic PoCs found — 1
vulncheckvulncheck.com/xdb/90fa3b6715aaunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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