CVE-2026-59309

vCenter authentication-bypass vulnerability

At a glance

Severity: CRITICAL 9.8
EPSS: EPSS 0.61 % · percentile 49 (2026-10-27)
State: PUBLISHED
Published: 2026-07-30
Updated: 2026-07-30
Assigner: vmware
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	vmware
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · security@vmware.com (Secondary)

Weaknesses (CWE)

CWE-303

European references

ENISA EUVD · EUVD-2026-51098
GCVE · GCVE-0-2026-59309

CERT-FR advisories

CERTFR-2026-AVI-0949 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* < 8.0
cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1d:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1e:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update2:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update2a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update2b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update2c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update2d:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update2e:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3d:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3e:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3g:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3h:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3i:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update3j:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* ≥ 9.0 < 9.0.2.0100
cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* ≥ 9.1 < 9.1.0.0300

Affected products

Product	Versions
VMware · Cloud Foundation	affected 9.1.x.x ; affected 9.0.x.x ; affected 5.x
VMware · vSphere Foundation	affected 9.1.x.x ; affected 9.0.x.x
VMware · vCenter	affected 9.1.x.x < 9.1.0.0300 ; affected 9.0.x.x < 9.0.2.0100 ; affected 8.0 < 8.0 U3k
VMware · Telco Cloud Infrastructure	affected 3.0
VMware · Telco Cloud Platform	affected 5.1.x ; affected 5.0.x ; affected 4.x ; affected 3.0

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD