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VeloCloud Orchestrator CVE-2026-114625

| EUVDEUVD-2026-108511 CRITICAL
SQL Injection (CWE-89)
2026-10-22 Arista GHSA-964w-6mm5-rm95
9.4
CVSS 4.0 · Vendor: Arista
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate with low-privilege account
  2. Delivery
    Submit crafted SQL-injection input to VCO
  3. Exploit
    Escalate to superuser operator
  4. Execution
    Access internal-only orchestrator functionality
  5. Impact
    Compromise orchestrator data and host (C/I/A)

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires an existing authenticated account of any privilege level on an on-prem VeloCloud Orchestrator (CVSS PR:L; description: 'any authenticated user can gain operator privileges'). The escalation is achieved via SQL injection (CWE-89) and yields masquerade as a local 'superuser operator', exposing functionality intended only for internal use. Limiting factors: the attacker must first obtain valid credentials/session (not anonymous), and the exploitable target is the on-prem deployment - hosted and Dedicated instances are reported already patched by the vendor. No user interaction is required (UI:N) and attack complexity is low (AC:L). The exact injectable parameter or endpoint is not described in the available sources.

Impact

This is a genuine high-priority issue, not a high-CVSS-but-low-risk case. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) describes a network-reachable, low-complexity flaw requiring only low privileges - i.e. any valid authenticated account - with full high impact to confidentiality, integrity and availability on both the vulnerable and subsequent systems (VC/VI/VA:H and SC/SI/SA:H), consistent with the description's claim that a normal authenticated user can escalate to a 'superuser operator' and impact the VCO host. The vuln.today decision label is act_now, reinforcing urgency. CWE-89 and the SQLi tag indicate the escalation vector is SQL injection, though the Arista advisory text supplied here does not spell out the exact injectable parameter. Signal gaps to note explicitly: no EPSS score is provided, so exploitation probability cannot be quantified; the CVE is not listed in CISA KEV in the supplied data; and no public exploit or PoC reference is present (only the vendor advisory). The barrier to exploitation is authentication (PR:L), which limits purely anonymous internet-wide exploitation but is low for any environment with multiple operator/customer accounts. One scoping nuance: the description states hosted and Dedicated instances are already patched, while the affected CPE is the on-prem VeloCloud Orchestrator - so remediation action centers on customer-managed on-prem deployments.

Exploit ScenarioDerived

An attacker who holds any low-privilege authenticated account on an on-prem VeloCloud Orchestrator submits crafted input that triggers SQL injection (CWE-89), elevating their session to a 'superuser operator' and unlocking internal-only functionality not meant to be remotely reachable. From there they read and tamper with orchestrator-managed SD-WAN data and configuration and can affect the VCO host itself. No public exploit code is identified in the available data; the attack requires existing authenticated access but low complexity and no user interaction.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available

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AnalysisAIv1 – Oct 22, 2026

Privilege escalation through SQL injection in on-premises Arista VeloCloud Orchestrator lets any valid VCO account cross into operator-level access and impersonate the built-in superuser operator, reaching internal-only functions and potentially compromising the orchestrator host and managed data. The vendor rates the issue CVSS 9.4; hosted and Dedicated VCO deployments were affected and are reported already patched, so on-prem VCO is the remediation focus, and the supplied priority label is act_now. No public exploit identified at time of analysis, and no CISA KEV status is supplied in the provided intelligence.

RemediationAI

Apply the on-prem VCO fix referenced in Arista security advisory 0199 at https://www.arista.com/en/support/advisories-notices/security-advisory/24838-security-advisory-0199; the supplied data does not include an exact patched build number, so verify the required version in the advisory before upgrading. Hosted and Dedicated deployments are reported already patched, so prioritize on-prem VCO. Because exploitation needs an existing authenticated account, reviewing and minimizing VCO accounts reduces exposure, but this is not a substitute for the advisory fix, and no other specific vendor workaround is described in the provided data.

Affected VersionsENISA

VeloCloud Orchestrator 5.2.0 <5.2.3.18
VeloCloud Orchestrator 6.4.0 <6.4.2.12
VeloCloud Orchestrator 6.1.0 <6.1.3.10

Affected Packages

euvd velocloud_orchestrator fix: 5.2.3.18, 6.1.3.10, 6.4.2.12

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

VCO is the orchestration and management plane for VeloCloud SD-WAN, and CWE-89 identifies SQL injection as the root-cause class: untrusted input reaches a database query without sufficient neutralization, letting an authenticated user alter query logic and cross a privilege boundary. The supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N with changed scope and high confidentiality, integrity and availability impact) aligns with the independent assessment that a low-privileged authenticated network attacker can reach high-impact functionality beyond the vulnerable component. The exact injectable parameter or endpoint is not described in the available sources, and exact on-prem affected version ranges are not supplied; hosted and Dedicated instances are stated to be patched.

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Severity by source

Vendor (Arista) PRIMARY 9.4 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
vuln.today AI 9.9 CRITICAL

Any authenticated low-privilege user (PR:L) exploits network-reachable SQLi (AV:N/AC:L/UI:N) to escalate beyond their authorization context into operator/host control (S:C) with full CIA impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (Arista).

CVSS VectorVendor: Arista

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
High
Subsequent system: Integrity
High
Subsequent system: Availability
High

Lifecycle Timeline

3
Patch available
Oct 22, 2026 - 22:03 EUVD
CVSS changed
Oct 22, 2026 - 21:23 NVD
9.9 (CRITICAL) 9.4 (CRITICAL)
CVE Published
Oct 22, 2026 - 20:47 cve.org
CRITICAL 9.4

DescriptionCVE.org

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.

On an affected system, any authenticated user can gain operator privileges and masquerade as a local "superuser operator" user. This includes access to functionality that is intended for internal use only and which is not intended to be remotely accessible.

Hosted, including Dedicated, versions of VCO were impacted and have already been patched.

Executive ViewAI

Why It Matters

Arista VeloCloud Orchestrator on-premises deployments are vulnerable to a critical privilege escalation flaw that lets any authenticated user gain operator-level access and impersonate the superuser. This compromises the orchestrator host and managed data, posing a severe risk to network integrity and data confidentiality. Leadership should prioritize immediate remediation because hosted and dedicated versions are already patched, leaving on-premises environments exposed.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Implement network segmentation to isolate VCO, enforce strict account management with multi-factor authentication, monitor for suspicious SQL queries and privilege changes, and limit VCO access to authorized personnel only.

Threat Intelligence Overview

Prevalence
Medium
enterprise SD-WAN orchestrator; significant vendor footprint but not ubiquitous
Social Media
3
Sightings
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS N/A
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Very High

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +47
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

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