Threat Pulse 62High
Epoch AI: open-weight GLM 5.3 autonomously exploited Firefox patch gaps, about $1,000 per version
Severity 5ResolvedconfirmedAI and software supply chainAI-related

Using fixes published but not yet shipped, a basic setup with GLM 5.3 reliably built working exploits for six recent Firefox versions at about $1,000 each.

· 6 days ago · epoch.ai
Sourcesepoch.ai
On X
@EpochAIResearchverifiedOct 29, 21:40 UTC

In recent experiments, we found that GLM 5.3 can autonomously compromise recent versions of Mozilla Firefox using security fixes that have been published but not yet shipped to users. We used a deliberately basic setup meant to emulate a relatively unsophisti

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Plan rubric with caps (verified sweep, Oct 31)

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