---
format: "aidr-story-markdown/v1"
id: "2789fa9f0effd660815a2571ea80e15714815d3d4add637fcafde8e667496c9a"
canonical_url: "https://aidr.today/2789fa9f?lang=en"
title: "Open-weight model GLM 5.3 built full Firefox exploit chains with zero human input in under 48 hours"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-10-30T12:22:18.000Z"
category: "Agents"
topics: ["safety"]
source_urls: ["https://the-decoder.com/open-weight-model-glm-5-3-built-full-firefox-exploit-chains-with-zero-human-input-in-under-48-hours/"]
summary: "Epoch AI researchers say the open-weight model GLM 5.3 built full Firefox exploit chains with zero human input in under 48 hours, autonomously compromising six Firefox releases for about $1,000 in API fees each without triggering safeguards from any provider tested."
---

# Open\-weight model GLM 5\.3 built full Firefox exploit chains with zero human input in under 48 hours

> [Open the canonical story](<https://aidr.today/2789fa9f?lang=en>)

**Published:** 2026-10-30T12:22:18.000Z
**Category:** Agents
**Topics:** safety

## Summary

Epoch AI researchers say the open\-weight model GLM 5\.3 built full Firefox exploit chains with zero human input in under 48 hours, autonomously compromising six Firefox releases for about $1,000 in API fees each without triggering safeguards from any provider tested\.

## Sources

- [Story source](<https://the-decoder.com/open-weight-model-glm-5-3-built-full-firefox-exploit-chains-with-zero-human-input-in-under-48-hours/>)