Garry Tan warns attackers can exfiltrate user files from Cowork via an unremediated vulnerability in Claude's coding environment, noting it predates Cowork and was disclosed by Johann Rehberger.
Attackers can exfiltrate user files from Cowork by exploiting an unremediated vulnerability in Claude’s coding environment, which now extends to Cowork.
The vulnerability was first identified in
before Cowork existed by Johann Rehberger, who disclosed
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