CVE-2026-16812VeloCloud Orchestrator OS Command Injection
Updated under an hour ago ()
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It affects Arista Networks VeloCloud Orchestrator On-Prem and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jul 27, 2026; federal agencies had to remediate by Jul 30, 2026. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 10.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Jul 27, 2026; federal remediation due Jul 30, 2026Apply 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.
- EPSS (exploitation in the next 30 days)
- 1.00% (percentile 62)
- Assigned by
- Arista
- NVD analysis
- Analyzed
- Record last updated
- Jul 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Arista Networks VeloCloud Orchestrator On-Prem arista_networks:velocloud_orchestrator_on_prem (from the name) | from 5.2.0 before 5.2.3.14; from 6.1.0 before 6.1.3.4; from 6.4.0 before 6.4.2.4; from 7.0.0 before 7.0.0.1 | CNA record |
arista velocloud_orchestrator arista:velocloud_orchestrator | from 5.2.0 before 5.2.3.14; from 6.1.0 before 6.1.3.4; from 6.4.0 before 6.4.2.4; 7.0.0 | NVD |
References
- https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144vendor-advisory, mitigation
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-16812us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.