What is CVE-2026-59310?
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.
Timeline
- 2026-07-30Published to the U.S. National Vulnerability Database (NVD)
- 2026-08-18Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-08-19NVD record last updated
- 2026-08-20First covered in a defend.network daily briefing
- 2026-08-21CISA federal remediation deadline (BOD 22-01)
CISA Known Exploited Vulnerability
Broadcom VMware vCenter Path Traversal Vulnerability
Affected product
Broadcom VMware VCenter
NVD also lists CPE entries for: Vmware Vcenter Server, Vmware Telco Cloud Infrastructure, Vmware Telco Cloud Platform, Vmware Cloud Foundation, Vmware Vsphere Foundation
Remediation Steps
- Apply the vendor security update for Vmware Vcenter Server as a priority.
- Restrict network exposure of the affected service to trusted sources until patched.
- Review logs and detections for indicators of exploitation.
- Confirm fixed versions against the official vendor advisory before deploying.
References
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017
- https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff
- https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d
- https://nvd.nist.gov/vuln/detail/CVE-2026-59310
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 2 of September 2026 (September 14 – 20)
- Vulnerability Priority Report – Week 1 of September 2026 (September 7 – 13)
- Vulnerability Priority Report – Week 5 of August 2026 (August 31 – September 6)
- Vulnerability Priority Report – Week 4 of August 2026 (August 24 – 30)
- Vulnerability Priority Report – Week 3 of August 2026 (August 17 – 23)
- Vulnerability Priority Report – Week 2 of August 2026 (August 10 – 16)
- Microsoft, VMware, Apple vulnerabilities actively exploited; CISA KEV additions demand immediate patching (2026-08-20)
Browse all tracked CVEs in the defend.network CVE database →
🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.