Arista patches VeloCloud Orchestrator zero-day exploited in attacks

Published on July 27, 2026

Arista has patched a maximum-severity command injection vulnerability in on-premises VeloCloud Orchestrator deployments that is being actively exploited in attacks. [...]

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New Dysphoria DDoS botnet spreads to 200k devices worldwide

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A botnet called Dysphoria has compromised around 200,000 devices across the world and is using them for distributed denial of service (DDoS) attacks and traffic relay operations. [...]

Hackers target US firms in FastJson RCE zero-day attacks

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Hackers are actively exploiting a vulnerability in the FastJson open-source Java library, allowing remote code execution without user interaction or elevated privileges. [...]