- Critical 10.0
- Known exploited (CISA KEV)
CVE-2026-16812
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.
Scores
The facts
- Published
- 27 July 2026
- Last changed
- 28 July 2026
- NVD status
- Analyzed
- Severity
- Critical, CVSS 10.0 out of 10 (version 4.0)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R… - Weakness
- Affects
- arista velocloud orchestrator
- Known exploited
- Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 27 July 2026.
- EPSS
- 1.0% chance of exploitation activity in the next 30 days (percentile 62).
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