Critical [CVE-2026-59310] vCenter directory-traversal vulnerability
This critical-severity VMware (Broadcom) advisory covers CVE-2026-59310 affecting Cloud Foundation, vSphere Foundation, vCenter.
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Summary
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.
Affected products named by the advisory: Cloud Foundation; vSphere Foundation; Telco Cloud Infrastructure; Telco Cloud Platform.
CISA Known Exploited Vulnerability
- Listed:
- Aug 18, 2026 · federal remediation due Aug 21, 2026
- Required action:
- Apply 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.
- Ransomware use:
- Known
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
- Cloud Foundation 9.1.x.x
- Cloud Foundation 9.0.x.x
- Cloud Foundation 5.x
- vSphere Foundation 9.1.x.x
- vSphere Foundation 9.0.x.x
- vCenter 9.1.x.x before 9.1.0.0300
- vCenter 9.0.x.x before 9.0.2.0100
- vCenter 8.0 before 8.0 U3k
- Telco Cloud Infrastructure 3.0
- Telco Cloud Platform 5.1.x
- Telco Cloud Platform 5.0.x
- Telco Cloud Platform 4.x
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 9.1.0.0300
- 9.0.2.0100
- 8.0 U3k
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 9.1.0.0300, 9.0.2.0100, 8.0 U3k. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
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