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.
Fix
CISA KEV required action · due 2026-07-30
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.
Added to the catalog 2026-07-27. CISA KEV
Patch, vendor advisory and mitigation references on NVD 1
- https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144 Mitigation, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 10.0 · in KEV · aristaNVD modified 2026-10-24 13:10
Affected (CPE criteria) 2
cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*cpe:2.3:a:arista:velocloud_orchestrator:7.0.0:*:*:*:*:*:*:*
References 2
- https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144 Mitigation, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-16812 US Government Resource