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

- Exploited (CISA KEV): yes, added 2026-09-22
- Published: 2026-09-22
- CVSS: 9.5 CRITICAL (v4.0)
- EPSS: 1.4% (72th percentile)
- CWE: CWE-20

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2026-93952 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-93952