What is CVE-2026-16812?

CVE-2026-16812 is a critical-severity vulnerability in Arista Networks Velocloud Orchestrator On-prem, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-07-27.

How severe is CVE-2026-16812?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Arista Networks Velocloud Orchestrator On-prem

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, integri…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Arista Networks Velocloud Orchestrator On-prem — versions 5.2.0, 6.1.0, 6.4.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@arista.com (vendor-advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0

Frequently asked questions

What is CVE-2026-16812?: CVE-2026-16812 is a critical-severity vulnerability in Arista Networks Velocloud Orchestrator On-prem, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-07-27.
How severe is CVE-2026-16812?: Critical severity. CVSS v3 base score is 10.0 out of 10.