CVE-2026-16812
Confirmed PUBLISHEDVeloCloud Orchestrator OS Command Injection
3 hours faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Jul 27, 2026
- Exploitation Reported
- Jul 27, 2026
- CVSS
- 10.0 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Arista Networks |
VeloCloud Orchestrator On-Prem
|
5.2.0 to < 5.2.3.14 |
Affected |
| Arista Networks |
VeloCloud Orchestrator On-Prem
|
6.1.0 to < 6.1.3.4 |
Affected |
| Arista Networks |
VeloCloud Orchestrator On-Prem
|
6.4.0 to < 6.4.2.4 |
Affected |
| Arista Networks |
VeloCloud Orchestrator On-Prem
|
7.0.0 to < 7.0.0.1 |
Affected |
CVE References
- Security Advisory 0144 arista.com · Vendor Advisory https://www.arista.com/en/support/advisories-notices/security-advisor...
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2026-07-27 16:20 UTC |
| CISA | 2026-07-27 19:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
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/S:P
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2026-07-27 16:20:55 UTC · CVE
Weaknesses (CWE)
-
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
19:00 UTC about 1 hour ago19:00 UTC · about 1 hour ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
16:20 UTC about 4 hours ago16:20 UTC · about 4 hours ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
16:11 UTC about 4 hours ago16:11 UTC · about 4 hours ago
CVE published
Vulnerability disclosed publicly
-
21:46 UTC 4 days ago21:46 UTC · 4 days ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2026-16812
{
"cve_id": "CVE-2026-16812",
"title": "VeloCloud Orchestrator OS Command Injection",
"affected_vendor": "Arista Networks",
"affected_product": "VeloCloud Orchestrator On-Prem",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 10.0,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}