CVE-2026-59310

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Aug 19, 2026

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 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-22

Affected software

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

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

Timeline

Published: Jul 30, 2026
Last modified: Aug 19, 2026
Added to CISA KEV: Aug 18, 2026
NVD status: Analyzed

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