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CISA says ‘Copy Fail’ flaw now exploited to root Linux systems - BleepingComputer

Reported by Sergiu Gatlan | May 4, 2026, 11:28 am

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CISA has warned that threat actors have started exploiting the "Copy Fail" Linux security vulnerability in the wild, one day after Theori researchers disclosed it and shared a proof-of-concept (PoC) exploit.

CISA has warned that threat actors have started exploiting the "Copy Fail" Linux security vulnerability in the wild, one day after Theori researchers disclosed it and shared a proof-of-concept (PoC) …

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