Arista VeloCloud Orchestrator On-Prem prior 5.2.3.14/6.1.3.4/6.4.2.4/7.0.0.1 privileges management

Summaryinfo

A vulnerability classified as very critical has been found in Arista VeloCloud Orchestrator On-Prem. Impacted is an unknown function. Performing a manipulation results in privileges management. This vulnerability is reported as CVE-2026-16812. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Arista VeloCloud Orchestrator On-Prem. It has been classified as very critical. This affects some unknown processing. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at arista.com. This vulnerability is uniquely identified as CVE-2026-16812 since 07/23/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are unknown but an exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/27/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 07/27/2026 with a due date of 07/30/2026:

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BO

Upgrading to version 5.2.3.14, 6.1.3.4, 6.4.2.4 or 7.0.0.1 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Cloud Software

Vendor

• Arista

Name

• VeloCloud Orchestrator On-Prem

License

• commercial

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CPE 2.2info

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