Vulnerability Intelligence Report
VeloCloud Orchestrator OS Command Injection
CVE-2026-16812
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.
CISA KEV
SSVC: Active Exploitation
Automatable
Injection
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-78 ↗CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Arista Networks | VeloCloud Orchestrator On-Prem | 5.2.0 < 5.2.3.14 (affected), 6.1.0 < 6.1.3.4 (affected), 6.4.0 < 6.4.2.4 (affected), 7.0.0 < 7.0.0.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Arista Networks, Inc. · Vendor · USA |
| Reserved | 2026-07-23T21:46:32 |
| Published | 2026-07-27T16:11:00 |
| Patch Date | 2026-07-27 |
| Last Updated | 2026-07-28T03:56:40 |
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