CVE-2026-93952: Arista VeloCloud Orchestrator Improper Input Validation Vulnerability
Arista VeloCloud Orchestrator (VCO) on-prem contains an improper input validation 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.
Other sources
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.
Hosted, including Dedicated, versions of VCO were impacted and have already been patched.
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Arista VeloCloud Orchestrator (VCO) on-premto a version that resolves this vulnerability.Fixed in 5.2.3.16 - Upgrade
Upgrade
Arista VeloCloud Orchestrator (VCO) on-premto a version that resolves this vulnerability.Fixed in 6.4.2.8 - Compensating control
Discontinue use of the VCO product if mitigations are unavailable.
Event History
Frequently Asked Questions
Which deployments still require attention?
The issue affects VeloCloud Orchestrator on-prem deployments. Hosted VCO deployments, including Dedicated, were impacted but have already been patched.
Does exploitation require credentials or user interaction?
No. The supplied vector indicates network-reachable exploitation with low attack complexity, no privileges required, and no user interaction required.
What is the potential impact of a successful attack?
A remote attacker may gain access to privileged internal functionality and affect the VCO host. This can compromise the confidentiality, integrity, and availability of the orchestrator and the data it manages.