CVE entry · CVE-2026-93952
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.
- Actively exploited: added to CISA’s KEV catalog on September 22, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: September 25, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Arista VeloCloud Orchestrator, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.