Hackers target US firms in FastJson RCE zero-day attacks

Published on July 27, 2026

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

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Arista patches VeloCloud Orchestrator zero-day exploited in attacks

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. [...]