CVE-2026-59310vCenter directory-traversal vulnerability
Updated under an hour ago ()
Does this affect you?
It affects VMware Cloud Foundation and 5 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Aug 18, 2026; federal agencies had to remediate by Aug 21, 2026, and it is known to be used in ransomware. Treat that date as your deadline.
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VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-22
- Known exploited
- Added to CISA KEV Aug 18, 2026; federal remediation due Aug 21, 2026; known ransomware useApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- EPSS (exploitation in the next 30 days)
- 2.56% (percentile 85)
- Assigned by
- vmware
- NVD analysis
- Analyzed
- Record last updated
- Sep 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
VMware Cloud Foundation vmware:cloud_foundation (from the name) | 9.1.x.x; 9.0.x.x; 5.x | CNA record |
VMware vSphere Foundation vmware:vsphere_foundation (from the name) | 9.1.x.x; 9.0.x.x | CNA record |
VMware vCenter vmware:vcenter (from the name) | from 9.1.x.x before 9.1.0.0300; from 9.0.x.x before 9.0.2.0100; from 8.0 before 8.0 U3k | CNA record |
VMware Telco Cloud Infrastructure vmware:telco_cloud_infrastructure (from the name) | 3.0 | CNA record |
VMware Telco Cloud Platform vmware:telco_cloud_platform (from the name) | 5.1.x; 5.0.x; 4.x; 3.0 | CNA record |
vmware vcenter_server vmware:vcenter_server | before 8.0; 8.0; 8.0; 8.0; 8.0; 8.0; 8.0; 8.0; and 21 more ranges | NVD |
References
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017vendor-advisory
- https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ffthird-party-advisory
- https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466dthird-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.