CVE-2026-93952
criticalpriority · act · 90OT risk · criticalKEV · exploitedEU KEV · CSIRT-IEEPSS 0.011 · 64 %ileDENLRUUSadded 2026-09-22remediate by 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.
EU KEVflagged by CSIRT-IEreported 2026-09-22
A security issue that may allow a remote attacker to access privileged internal functionality and impact the VCO host.
EPSS · scored 2026-10-24
Arista VeloCloud Orchestrator Improper Input Validation 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. Hosted, including Dedicated, versions of VCO were impacted and have already been patched.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
- arista velocloud orchestrator5.2.0 → 5.2.3.16nvdUScpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*
- arista velocloud orchestrator6.1.0 → 6.1.3.7nvdUScpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*
- arista velocloud orchestrator6.4.0 → 6.4.2.8nvdUScpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*
- arista velocloud orchestrator7.0.0 → 7.0.0.2nvdUScpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0385Kwetsbaarheid verholpen in VeloCloud Orchestrator (VCO) on-premisesNL2026-09-22csaf · ncsc_nlNL
VeloCloud heeft een kwetsbaarheid verholpen in VeloCloud Orchestrator (VCO) on-premises.
- WID-SEC-W-2026-3496Arista VeloCloud Orchestrator: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2026-09-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Arista VeloCloud Orchestrator ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
also known as (1)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (2) nvd
External citations — patches, advisories, analysis.
- https://www.arista.com/en/support/advisories-notices/security-advisory/24765-security-advisory-0183MitigationVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-93952US Government Resource
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