vCenter authentication-bypass vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-59309
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-30 13:16:53 UTC
Updated2026-07-30 16:17:15 UTC
DescriptionVMware 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.007440000 probability, percentile 0.511600000 (date 2026-07-31)

Problem Types: CWE-303 | CWE-303 CWE-303 Incorrect implementation of authentication algorithm

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA VMware Cloud Foundation affected 9.1.x.x Not specified
CNA VMware Cloud Foundation affected 9.0.x.x Not specified
CNA VMware Cloud Foundation affected 5.x Not specified
CNA VMware VSphere Foundation affected 9.1.x.x Not specified
CNA VMware VSphere Foundation affected 9.0.x.x Not specified
CNA VMware VCenter affected 9.1.x.x 9.1.0.0300 custom Not specified
CNA VMware VCenter affected 9.0.x.x 9.0.2.0100 custom Not specified
CNA VMware VCenter affected 8.0 8.0 U3k custom Not specified
CNA VMware Telco Cloud Infrastructure affected 3.0 Not specified
CNA VMware Telco Cloud Platform affected 5.1.x Not specified
CNA VMware Telco Cloud Platform affected 5.0.x Not specified
CNA VMware Telco Cloud Platform affected 4.x Not specified
CNA VMware Telco Cloud Platform affected 3.0 Not specified

References

ReferenceSourceLinkTags
support.broadcom.com/web/ecx/support-content-notification/-/external/content/Secur... [email protected] support.broadcom.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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