CVE-2026-16812

Arista VeloCloud OrchestratorActively Exploited (CISA KEV)CVSS 10.0KEV0-Day

Actively exploited (CISA KEV) - patch before 2026-07-30

Arista VeloCloud Orchestrator On-Prem contains an OS command injection 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 in the wild and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. No distribution fix is listed yet; apply vendor mitigations and monitor.

Recommended action: No fix is published yet for an actively-exploited flaw. Apply vendor mitigations, restrict exposure, and watch for a patch.

CVE-2026-16812 Arista VeloCloud Orchestrator Actively Exploited (CISA KEV)

Severity metrics

CVSS 4.0 : 10.0 CRITICAL · CVSS 3.1 : 10.0 CRITICAL

Attack vectorNetwork (remote)

Attack complexityLow

Attack requirementsNone

Privileges requiredNone

User interactionNone

ScopeP

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Subsequent confidentialityHigh

Subsequent integrityHigh

Subsequent availabilityHigh

Vector: AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P

Affected & fixed versions by distribution

Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.

No affected package in the tracked watchlist yet (Debian, Ubuntu, Arch, SUSE, Red Hat...). Triage may still be pending.

Sources

Advisory NVD CVE.org

Published 2026-07-27 · source: NVD