CVE-2026-16812

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.010 · 63 %ileDEEUNLRUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV
Likely / severe?
1.00% (63rd) EPSS
CVSS 10 · critical
Is it mine?
21 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2026-07-27remediate by 2026-07-30

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.

EPSS · scored 2026-10-26

Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerability

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

10.0
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.110criticalAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · psirt@arista.comexploitability 3.9 · impact 6
v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · NCSC-NL NL
v4.010criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:Psecondary · ENISA EU
v4.010criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:Xsecondary · psirt@arista.com
v4.010criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USCWE-78USCWE-78US
04

affected products (21)

Products and version ranges known to be affected.

showing 20 of 21
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0281Kwetsbaarheden verholpen in Arista VeloCloud Orchestrator On-PremNL2026-08-11csaf · ncsc_nlNL

    Arista heeft kwetsbaarheden verholpen in VeloCloud Orchestrator On-Prem.

  • WID-SEC-W-2026-2702Arista VeloCloud Orchestrator: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit Root-RechtenDeutsch2026-08-06csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Arista VeloCloud Orchestrator ausnutzen, um beliebigen Programmcode mit Root-Rechten auszuführen.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundncsc_nlnvdNVDCVE.orgMITRE
published 2026-07-27modified 2026-10-24
08

references (5)

External citations — patches, advisories, analysis.

scry

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