CVE-2026-59309 Details
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.
An authentication bypass vulnerability has been identified in the VMware Directory Service component of VMware vCenter. This vulnerability allows a malicious actor with network access to vCenter to bypass authentication mechanisms and gain unauthorized access to the system. The issue has been evaluated as critical, with a CVSSv3 base score of 9.8.
To address this vulnerability, users should update to VMware vCenter versions 9.1.0.0300, 9.0.2.0100, or 8.0 U3k. For VMware Cloud Foundation 5.x, an asynchronous patch to version 8.0 U3k is available. Users can refer to the VMware Cloud Foundation 5.2.4 release notes for guidance on applying this patch.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 30, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-303 | Incorrect Implementation of Authentication Algorithm | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| vmware vcenter server | < 8.0 8.0 - 8.0 a 8.0 b 8.0 c 8.0 update1 8.0 update1a 8.0 update1b 8.0 update1c 8.0 update1d 8.0 update1e 8.0 update2 8.0 update2a 8.0 update2b 8.0 update2c 8.0 update2d 8.0 update2e 8.0 update3 8.0 update3a 8.0 update3b 8.0 update3c 8.0 update3d 8.0 update3e 8.0 update3g 8.0 update3h 8.0 update3i 8.0 update3j >= 9.0, < 9.0.2.0100 >= 9.1, < 9.1.0.0300 |
CPE
Remediation
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| vmware telco cloud infrastructure | 3.0 |
CPE
Remediation
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| vmware telco cloud platform | >= 3.0, <= 5.2 |
CPE
Remediation
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| vmware cloud foundation | All versions |
CPE
Remediation
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| vmware vsphere foundation | All versions |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 25, 2026 | Initial Analysis | [email protected] |
| Jul 30, 2026 | CVE Modified | CISA-ADP |
| Jul 30, 2026 | New CVE Received | [email protected] |