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Arista NetworksCVE-2026-16812

Arista Networks VeloCloud Orchestrator On-Prem: command injection

Arista Networks

CVE-2026-16812 · Published Jul 27, 2026 · updated Jul 28, 2026

Critical10.0
Fix: upgrade to 5.2.3.14 or later (4 fixed versions below)
Arista Networks advisory

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.

Affected versions

PackageAffectedFixed in
VeloCloud Orchestrator On-Prem
Product
>= 5.2.0, < 5.2.3.145.2.3.14
>= 6.1.0, < 6.1.3.46.1.3.4
>= 6.4.0, < 6.4.2.46.4.2.4
>= 7.0.0, < 7.0.0.17.0.0.1
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-78

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