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Attackers Exploit Arista VeloCloud Orchestrator Command Injection Flaw

The Hacker News
· July 28, 2026
Vulnerabilities

AI summary

A critical security vulnerability in on-premises versions of Arista VeloCloud Orchestrator is being actively exploited. The flaw allows for operating system command injection, which can lead to arbitrary code execution. It has a CVSS score of 10.0, indicating a maximum-severity issue. The vulnerability is identified as CVE-2026-16812. This security issue affects VeloCloud Orchestrator on-premises deployments.

Vulnerabilities mentioned

CVE-2026-16812
CRITICAL
CVSS 10
CISA KEV

VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by the orchestrator. This functionality was intended to be for internal use only and is not intended to be remotely accessible. Hosted and Dedicated versions of VCO have already been patched in advance of this notice going out. This issue was discovered externally and is known to be actively exploited.

Read the full article at The Hacker Newsthehackernews.com/2026/07/attackers-exploit-arista-velocloud.html

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