Risk Letters

Exploited vulnerability

CVE-2026-93952

TLP:CLEAR

Arista VeloCloud Orchestrator Improper Input Validation Vulnerability

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.

Facts

  • Vendor: Arista
  • Product: VeloCloud Orchestrator
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 1.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 22 September 2026
  • First known exploitation: 22 September 2026
  • CISA's deadline for US federal agencies: 25 September 2026
  • Weakness: CWE-20
  • First seen by Risk Letters: 22 September 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD