Arista VeloCloud Orchestrator Input Validation Gap Lets Remote Attackers Reach Privileged APIs; CISA's September 25th KEV Deadline for Covered Entities Has Now Passed

Last refreshed2026-09-27

Status: KEV | Advisory ID: CVE-2026-93952

Key Details

CVE	CVE-2026-93952
Vulnerability Name	Arista VeloCloud Orchestrator Improper Input Validation Vulnerability
Affected products	Arista VeloCloud Orchestrator
Exploitation status	Listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified as	CWE-20 (Improper Input Validation)
KEV listing	Added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-09-22.
Exploitation prediction (EPSS)	0.90% probability of exploitation in the next 30 days (58% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline	2026-09-25 (CISA KEV, Binding Operational Directive).

Affected Products, Subsystems & Sectors

Vendor	Product	Affected Versions	Patch Status
Arista	VeloCloud Orchestrator

Vendor

Product

Affected Versions

Patch Status

Arista

VeloCloud Orchestrator

Subsystems	General OT
Sectors	Multiple

What to Know

Arista VeloCloud Orchestrator (VCO) on-prem contains an improper input validation vulnerability that 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.

What to Do

Monitor Arista's web page for any future patch releases.

References

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-93952
CVE	https://www.cve.org/CVERecord?id=CVE-2026-93952

Source

Reference

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-93952

CVE

https://www.cve.org/CVERecord?id=CVE-2026-93952

KEV Required Action

Field	Value
KEV Link	https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Date Added to KEV	2026-09-22
Required Action Due Date	2026-09-25
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.

Field

Value

KEV Link

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Date Added to KEV

2026-09-22

Required Action Due Date

2026-09-25

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.