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Inference-Time Backdoors Via Hidden Instructions in LLM Chat Templates

🗓️ 04 Feb 2026 00:00:00Reported by Eilon Cohen, Roman Vainshtein, Ariel Fogel, Omer HofmanType 
packetstormnews
 packetstormnews
🔗 packetstorm.news👁 4 Views

Inference-time chat-template backdoor enables hidden behavior without changing models, degrading accuracy and emitting attacker URLs.

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