CVE-2025-54068 is a critical-severity vulnerability, listed in the CISA KEV catalog. AttackerView checks Livewire sites for it with a live exploit check.
Detects Laravel Livewire v3 instances (3.0.0–3.6.3) where the component property update hydration mechanism allows unauthenticated attackers to smuggle malicious synthesizers through the updates payload, triggering a GuzzleHttp\Psr7\FnStream gadget chain for arbitrary command execution without needing the APP_KEY.
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