Claude Dispatch Flaw Lets Malicious Browser Extensions Run Code on Connected Computers

A flaw in Anthropic’s Claude Dispatch let a malicious browser extension run commands on a computer via Claude Desktop. That computer could even be a different machine signed into the same Claude account. Researcher Gal Weizman of Forever Security named the technique ThisBash and published the findings on November 4, 2026. Anthropic plans to retire […]

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