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[ARTICLE · art-103233] src=thestack.technology ↗ pub= topic=ai-safety verified=true sentiment=· neutral

Vercel puts $1m on the table for hackers to escape its sandbox

Vercel, an AI cloud company, launched a two-week competition through HackerOne offering a share of $1 million to hackers who can escape its Firecracker microVM or defeat the sandbox firewall, with rewards up to $50,000 per vulnerability that allows reading or modifying another tenant's data. CEO Guillermo Rauch said the goal is to bring transparency to frontier models' guardrail exploitability and to share findings to strengthen global cybersecurity.

read1 min views4 publishedAug 19, 2026
Vercel puts $1m on the table for hackers to escape its sandbox
Image: Thestack (auto-discovered)

After the high-profile sandbox snafus at OpenAI, Anthropic, and Meta, Vercel is readying a million-dollar-offer to ensure its testing environments are as robust as possible.

The AI cloud company launched a two-week competition through HackerOne this week, offering a share of $1 million to hackers who can escape its Firecracker microVM to the host or defeat the sandbox firewall.

CEO Guillermo Rauch said: “I'm looking forward to bringing transparency to what frontier models can and cannot do in terms of real-world guardrail exploitability. If escapes are discovered, we'll be ready to patch, iterate, and share our findings with the broader community to strengthen global cybersecurity.”

The splashy offer will see successful hackers rewarded up to $50,000 for each vulnerability they find that allows a threat actor to read or modify another Vercel tenant’s data.

Are sandboxes the problem?

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