CVE-2026-59310
Critical 9.8 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- Broadcom VMware vCenter Path Traversal Vulnerability
- Added to catalog
- Remediation due date (US federal)
- 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.
Description
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.
Metrics
- CVSS 3.1
-
9.8 (CRITICAL)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 3% (percentile: 85) as of 1 November 2026
- CWE
- CWE-22
Affected products
vmware: vcenter server; vmware: telco cloud infrastructure; vmware: telco cloud platform; vmware: cloud foundation; vmware: vsphere foundation
References
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/co… Vendor Advisory
- https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-… Third Party Advisory
- https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspecte… Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026… US Government Resource