CVE-2026-93952: Arista VeloCloud Orchestrator Improper Input Validation Vulnerability

Critical severity, CVSS 10.0. Actively exploited: in CISA KEV since 2026-09-22. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

• Arista VeloCloud Orchestrator: from 5.2.0, before 5.2.3.16 (fixed in 5.2.3.16); from 6.1.0, up to and including 6.1.3.7; from 6.4.0, before 6.4.2.8 (fixed in 6.4.2.8); from 7.0.0, up to and including 7.0.0.2

Published 2026-09-22. Last modified 2026-09-23.