Prompt Injections Can Now Be Encrypted: Attacks Planted in Encrypted Blocks Replayed into Later Sessions
lbeurerkellner · x · 2026-08-14
The author notes that prompt injections can now be encrypted: worse, an attack planted in an encrypted block and replayed into a later session is adopted by the model as its own prior reasoning, with nothing appearing in the visible conversation.
Related event: European Researchers Crack Encrypted CoT of Top LLMs(13 posts)→
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