Zenity warns of inherent security risks in agentic browsers after Perplexity Comet findings

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Zenity Labs Reveals PleaseFix Vulnerabilities in Perplexity Comet and Other Browsers Zenity Labs disclosed a family of critical vulnerabilities known as PleaseFix, affecting agentic browsers including Perplexity Comet. These vulnerabilities enable zero-click agent hijacking, local file exfiltration, and credential theft within workflows authorized by agents such as 1Password. 18 sources 40