CVE-2026-93952

● Known-exploited CRITICAL

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 m...

Affects 0 products across 1 vendor.

CVSS 3.110.0
CVSS v49.5
EPSS1.1%
Percentile64th
PatchUnknown
Known-exploited since2026-09-22
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, can impact systems beyond the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-20: Improper Input Validation

Software does not validate or incorrectly validates input, allowing attackers to craft data processed in unintended ways.

Related Attack Patterns (CAPEC)
CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
via CWE-20
CAPEC-7 Blind SQL Injection
via CWE-20
CAPEC-8 Buffer Overflow in an API Call
via CWE-20
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-20
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-20
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Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical severity vulnerability (CVE-2026-93952) affects the target system. 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 ava...

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Frequently Asked Questions
What is CVE-2026-93952?
A critical severity vulnerability (CVE-2026-93952) affects the target system. 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 ava...
What is the CVSS score for CVE-2026-93952?
CVE-2026-93952 has CVSS 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS: 1.1%.
Is CVE-2026-93952 actively exploited?
Yes. CVE-2026-93952 is in the CISA known-exploited catalog (added 2026-09-22). Active exploitation confirmed. Immediate patching required.
How do I remediate CVE-2026-93952?
Advisory: https://www.arista.com/en/support/advisories-notices/security-advisory/24765-security-advisory-0183
What systems are affected by CVE-2026-93952?
CVE-2026-93952 affects Arista.
Vulnerability Details
CVE IDCVE-2026-93952
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published2026-09-22
Last Modified2026-09-23
ICS Relevance0%
Weakness (CWE)
SourceNVD
Official 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. Hosted, including Dedicated, versions of VCO were impacted and have already been patched.

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductAffected Versions
Arista — —
Arista Velocloud Orchestrator ≥ 5.2.0, < 5.2.3.16 ≥ 6.1.0, ≤ 6.1.3.7 ≥ 6.4.0, < 6.4.2.8 ≥ 7.0.0, ≤ 7.0.0.2
Remediation
View Vendor Advisory →
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 24 Days
CISA known-exploited● Active Exploitation Confirmed (added 2026-09-22)
Public ExploitNot confirmed
PoC CodeNot confirmed
Related CVEs affecting Arista
CVE-2024-11186 10.0 On affected versions of the CloudVision Portal, improper access controls coul... CVE-2026-16812 10.0 VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue ma... CVE-2025-0505 10.0 On Arista CloudVision systems (virtual or physical on-premise deployments), Z... CVE-2015-8236 10.0 Arista EOS before 4.11.12, 4.12 before 4.12.11, 4.13 before 4.13.14M, 4.14 be... CVE-2014-6271 9.8 GNU Bash through 4.3 processes trailing strings after function definitions in...
View all Arista CVEs →

This Vulnerability Is Being Actively Exploited

CVE-2026-93952 is on the CISA known-exploited list - confirmed active exploitation in the wild. BreachSpider flags known-exploited CVEs on the ICS assets they affect, with known-exploited status synced daily from CISA.

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