CVE-2026-16812

CRITICAL KEV

VeloCloud Orchestrator OS Command Injection

Title source: cna
STIX 2.1

Exploitation Summary

CVE-2026-16812 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added July 27, 2026.

Description

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.

References (2)

Core 2

Scores

CVSS v3 10.0
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable yes
Technical Impact total

Details

CISA KEV 2026-07-27
VulnCheck KEV 2026-07-27
ENISA EUVD EUVD-2026-49334
CWE
CWE-78
Status published
Products (4)
Arista Networks/VeloCloud Orchestrator On-Prem 5.2.0 - 5.2.3.14
Arista Networks/VeloCloud Orchestrator On-Prem 6.1.0 - 6.1.3.4
Arista Networks/VeloCloud Orchestrator On-Prem 6.4.0 - 6.4.2.4
Arista Networks/VeloCloud Orchestrator On-Prem 7.0.0 - 7.0.0.1
Published Jul 27, 2026
KEV Added Jul 27, 2026
Tracked Since Jul 27, 2026