Critical severity10.0CISA KEVNVD Advisory· Published Jul 27, 2026· Updated Jul 28, 2026
CVE-2026-16812
CVE-2026-16812
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.
This functionality was intended to be for internal use only and is not intended to be remotely accessible.
Hosted and Dedicated versions of VCO have already been patched in advance of this notice going out.
This issue was discovered externally and is known to be actively exploited.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*range: >=5.2.0,<5.2.3.14
- cpe:2.3:a:arista:velocloud_orchestrator:7.0.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144nvdMitigationVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
7- Hackers Exploit VeloCloud Orchestrator Command Injection Vulnerability in the WildCyber Security News · Aug 3, 2026
- Arista patches actively exploited VeloCloud bug as CISA puts admins on the clockThe Register Security · Jul 28, 2026
- Hackers Exploiting Arista VeloCloud Orchestrator 0-Day Vulnerability in the WildCyber Security News · Jul 28, 2026
- Critical Arista VeloCloud Orchestrator Vulnerability Exploited as Zero-DaySecurityWeek · Jul 28, 2026
- Attackers Exploit Arista VeloCloud Orchestrator Command Injection FlawThe Hacker News · Jul 28, 2026
- Arista patches VeloCloud Orchestrator zero-day exploited in attacksBleepingComputer · Jul 27, 2026
- CISA Adds Two Known Exploited Vulnerabilities to CatalogCISA Alerts