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UNC3569

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high threat

UNC3569 Exploitation of Sogou Input Method to Deploy GRAYRABBIT Backdoor

UNC3569 exploited a command-line argument injection flaw in Sogou Input Method to trigger an insecure Chromium component and execute the GRAYRABBIT backdoor.

Sogou Input Method UNC3569 backdoor exploitation cve-2026-51990 grayrabbit
1r 4t 1c 6i