Critical

Arista patches actively exploited VeloCloud Orchestrator zero-day

BleepingComputer

September 23, 2026 at 12:29 PM

Actively Exploited

Overview

Arista Networks has addressed a zero-day vulnerability in the VeloCloud Orchestrator (VCO) On-Prem deployments, which is currently being exploited by attackers. This flaw poses a significant risk, as it allows unauthorized access to the system, potentially compromising sensitive data and network operations. Users of the VCO should apply the security patches released by Arista immediately to protect their systems. The urgency of this patching process is underscored by the fact that the vulnerability is actively being exploited in the wild. Organizations relying on VeloCloud Orchestrator must prioritize this update to mitigate the risk of an attack and safeguard their network infrastructure.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: VeloCloud Orchestrator (VCO) On-Prem deployments from Arista Networks.
Action Required: Arista Networks has released security patches to address the vulnerability.
Timeline: Newly disclosed

Original Article Summary

Arista Networks has released security patches for a zero-day flaw that is being actively exploited and affects VeloCloud Orchestrator (VCO) On-Prem deployments. [...]

Impact

VeloCloud Orchestrator (VCO) On-Prem deployments from Arista Networks.

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Arista Networks has released security patches to address the vulnerability. Users should apply these patches immediately to secure their VCO deployments.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Zero-day, Vulnerability, Update, and 1 more.

Read Original Article

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