CVE-2026-16812
Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerability
CVSS
10.0
Crítico
EPSS
1.6%
p74
KEV
SÍ
27 jul 2026
Exploit Today
72
0-100
Publicado: 27 jul 2026 · Última mod.: 28 jul 2026 · CWE-78
Producto
Arista / VeloCloud Orchestrator
Vulnerabilidad
Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerability
Añadido a KEV
27 jul 2026
Remediar antes de
30 jul 2026
Uso conocido en ransomware
No
Descripción resumida
Arista VeloCloud Orchestrator On-Prem contains an OS command injection vulnerability that 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.
Acción requerida
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notas
https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/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.