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CVE-2026-16812— VeloCloud Orchestrator OS Command Injection

Quick assessment

Affected
Arista Networks VeloCloud Orchestrator On-Prem
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Arista Networks VeloCloud Orchestrator On-Prem是美国Arista Networks公司的一款本地部署的网络编排平台。 Arista Networks VeloCloud Orchestrator On-Prem 5.2.3.14之前版本、6.1.3.4之前版本、6.4.2.4之前版本和7.0.0.1之前版本存在命令注入漏洞，该漏洞源于可能允许远程攻击者访问特权内部功能，成功利用可损害机密性、完整性和可用性。

CVSS 10.0 · Critical KEV EPSS 1.00% · P62

Affected Version Matrix 4

VendorProduct Version RangeStatus
Arista Networks VeloCloud Orchestrator On-Prem 5.2.0< 5.2.3.14 affected
6.1.0< 6.1.3.4 affected
6.4.0< 6.4.2.4 affected
7.0.0< 7.0.0.1 affected
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I. Basic Information for CVE-2026-16812

Vulnerability Information
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Vulnerability Title
VeloCloud Orchestrator OS Command Injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Arista Networks VeloCloud Orchestrator On-Prem 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arista Networks VeloCloud Orchestrator On-Prem是美国Arista Networks公司的一款本地部署的网络编排平台。 Arista Networks VeloCloud Orchestrator On-Prem 5.2.3.14之前版本、6.1.3.4之前版本、6.4.2.4之前版本和7.0.0.1之前版本存在命令注入漏洞，该漏洞源于可能允许远程攻击者访问特权内部功能，成功利用可损害机密性、完整性和可用性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Networks VeloCloud Orchestrator On-Prem 5.2.0 ~ 5.2.3.14 -

II. Public POCs for CVE-2026-16812

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III. Intelligence Information for CVE-2026-16812

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Vendor Advisories for CVE-2026-16812 (1)

Same Patch Batch · Arista Networks · 2026-07-27 · 3 CVEs total

CVE-2026-17191 9.1 CRITICAL VeloCloud Orchestrator Flow Metrics API SQL Injection
CVE-2026-17192 8.5 HIGH VeloCloud Orchestrator Missing Input Validation SSRF

IV. Related Vulnerabilities

Same product: VeloCloud Orchestrator On-Prem
Same vendor: Arista Networks
Same weakness: CWE-78

V. Comments for CVE-2026-16812

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