# CVE-2026-16812: VeloCloud Orchestrator OS Command Injection

> CVE-2026-16812: VeloCloud Orchestrator OS Command Injection. CVSS 10.0 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2026-16812
Last updated: 2026-10-24T13:10:00Z

- Published: 2026-07-27 16:11 UTC · Updated: 2026-10-24 13:10 UTC · Assigner: Arista
- CVSS: 10.0 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS: 1.0%, 63th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-07-27, federal due date 2026-07-30, ransomware use: Unknown
- CWE: CWE-78

## Description

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. This functionality was intended to be for internal use only and is not intended to be remotely accessible. Hosted and Dedicated versions of VCO have already been patched in advance of this notice going out. This issue was discovered externally and is known to be actively exploited.

## CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

## Affected vendors and products

- Arista Networks: VeloCloud Orchestrator On-Prem

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-16812)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-16812)
- [https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144](https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-16812 · Markdown: https://rewindex.com/cve/CVE-2026-16812.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-16812 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:12:26.352Z