Attackers Exploit Critical CVE-2026-59310 in VMware vCenter for Persistent Remote Access
A critical vulnerability identified as CVE-2026-59310 in Broadcom VMware vCenter Server is being actively exploited in the wild against internet-exposed instances. The flaw resides in the Syslog server component and enables remote code execution through a path traversal weakness, carrying a CVSS score of 9.8. Attackers have been observed deploying malicious cron jobs and the reverse_ssh tool to establish persistent outbound command-and-control channels since early August 2026. The campaign has impacted 361 unique IP addresses across 47 countries, with notable concentrations in Germany, the United States, Turkey, Iran, and France. Broadcom has released patches under advisory VMSA-2026-0006.1, which also addresses the related CVE-2026-59309, and strongly recommends immediate updates along with network segmentation and log reviews. No workarounds exist, making prompt patching the only effective mitigation.
HispasecAug 12, 2026Translated from Spanish