[NEW] [high] Arista VeloCloud Orchestrator: Vulnerability enables execution of arbitrary code with root privileges
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
A remote, anonymous attacker can exploit a vulnerability in Arista VeloCloud Orchestrator to execute arbitrary code with root privileges.
CSIRTS triage
- What
- A remote unauthenticated attacker can execute arbitrary code with root privileges.
- Who is affected
- All deployments of Arista VeloCloud Orchestrator are affected.
- Urgency
- Critical; actively exploited vulnerability allowing root-level code execution.
- Action
- Apply Arista's security patch immediately upon availability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2702
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2026-16812Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 56% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-16812 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownexploitedNCSC-2026-0281 [1.00] [M/H] Vulnerabilities patched in Arista VeloCloud Orchestrator On-Premncsc-nl
- unknownexploitedArista Networks security advisory (AV26-751)cccs
- criticalexploitedCVE-2026-16812: VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote …nvd
- highexploitedCISA Adds Two Known Exploited Vulnerabilities to Catalogcisa
- criticalexploitedCVE-2026-16812: Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerabilitycisa-kev
Recent advisories for Arista VeloCloud Orchestrator
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownexploitedNCSC-2026-0281 [1.00] [M/H] Vulnerabilities patched in Arista VeloCloud Orchestrator On-Premncsc-nl · 2026-08-11
- criticalexploitedCVE-2026-16812: Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerabilitycisa-kev · 2026-07-27
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