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Exposing the Systematic Vulnerability of Open-Weight Models to Prefill Attacks

🗓️ 16 Feb 2026 00:00:00Reported by Adam Gleave, Kellin Pelrine, Lukas StruppekType 
packetstormnews
 packetstormnews
🔗 packetstorm.news👁 4 Views

Open-weight language models are vulnerable to prefill attacks; study shows effectiveness across models and need for defenses.

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16 Feb 2026 00:00Current
5.6Medium risk
Vulners AI Score5.6
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