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10.0 — CRITICAL

A Vulnerability in VeloCloud Orchestrator (VCO) On-Prem Could Allow for Remote Code Execution

📅 28 July 2026 at 13:51 UTC📰 CIS AdvisoriesView original source ↗

A vulnerability has been discovered in VeloCloud Orchestrator (VCO) On-Prem that could allow for remote code execution. VeloCloud Orchestrator is a centralized management platform used to configure, provision, monitor, and troubleshoot software-defined wide area networks (SD-WAN) and SASE components across enterprise edges and gateways. Successful exploitation of this vulnerability may allow a remote attacker to access privileged internal functionality, execute commands, and impact the VCO host. Depending on the privileges associated with the service account, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Services whose accounts are configured to have less rights on the system could be less impacted than those who operate with administrative user rights.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A vulnerability in VeloCloud Orchestrator (VCO) On-Prem allows for remote code execution, potentially leading to privileged access and data compromise. The vendor reports that this vulnerability is actively being exploited.

⚙️Technical Details
Affected Systems
VCO 5.2.x releases prior to 5.2.3.14VCO 6.1.x releases prior to 6.1.3.4VCO 6.4.x releases prior to 6.4.2.4VCO 7.0.x releases prior to 7.0.0.1Attack Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
💥Impact Assessment
Severity: CRITICAL
🛡️Recommended Actions
1Apply appropriate updates provided by Arista to vulnerable systems immediately after appropriate testing.
2Establish and Maintain a Vulnerability Management Process
3Perform Automated Application Patch Management
📦Affected Products
VeloCloud Orchestrator (VCO) On-Prem
🔐NVD Verified DataVERIFIED
CVE-2026-16812 ↗CVSS 10 — CRITICAL
Attack Vector
NETWORK
Complexity
LOW
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-78

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