---
id: 8918
title: "An open-weight model powered the #1 HackerOne VDP research operation"
source_domain: tenzai.com
source_url: "https://www.tenzai.com/blog/an-open-weight-model-powered-the-1-hackerone-vdp-research-operation"
published_at: "2026-10-01T00:00:00Z"
tags: ["ai-security", "bug-bounty", "vdp", "hackerone", "ai-agent", "open-weight-model"]
phying_url: "https://phying.com/item/8918"
lang: en
---

# An open-weight model powered the #1 HackerOne VDP research operation

## Summary

Tenzai's AI hacker topped the world's largest bug bounty leaderboard on GLM 5.2, a model anyone can download, and the offensive capability once limited to a few frontier labs is now within anyone's reach.

## Intelligence Metadata

- **Sources:** tenzai.com
- **Published:** 2026-10-01T00:00:00Z
- **Original:** https://www.tenzai.com/blog/an-open-weight-model-powered-the-1-hackerone-vdp-research-operation
- **Phying News:** https://phying.com/item/8918