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Arista patches actively exploited VeloCloud Orchestrator zero-day

0
High
Vulnerabilityzero-day
Published: 09/23/2026 (09/23/2026, 12:29:53 UTC)
Source: Bleeping Computer

Description

Arista Networks has released security patches for a zero-day vulnerability affecting VeloCloud Orchestrator (VCO) On-Prem deployments. This flaw is actively exploited in the wild. The vulnerability impacts on-premises installations of VCO and requires patching to mitigate exploitation risks.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/23/2026, 12:32:56 UTC

Technical Analysis

A zero-day vulnerability in Arista Networks' VeloCloud Orchestrator (VCO) On-Premises deployments has been actively exploited. Arista has issued security patches to address this flaw. The vulnerability affects only on-premises versions of VCO, not cloud-hosted services. No detailed technical information or CVSS score is provided in the available data.

Potential Impact

Active exploitation of this zero-day vulnerability could compromise affected VCO On-Prem deployments, potentially impacting network orchestration and management functions. The exact impact details are not disclosed, but active exploitation indicates a significant security risk for unpatched systems.

Mitigation Recommendations

Apply the security patches released by Arista Networks for VeloCloud Orchestrator On-Prem deployments as soon as possible. Since this is an actively exploited zero-day, timely patching is critical to mitigate risk. No additional mitigation details are provided.

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Technical Details

Classification
{"confidence":0.74,"severitySource":"heuristic","classifier":"rss-v2"}

Threat ID: 6ab3c6f3f7a7c54106c34889

Added to database: 09/23/2026, 12:32:51 UTC

Last enriched: 09/23/2026, 12:32:56 UTC

Last updated: 09/23/2026, 23:02:34 UTC

Views: 9

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