MetaBackdoor: Exploiting Positional Encoding as a Backdoor Attack Surface in LLMs | ArxivCSExplorer
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2605.15172v1
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MetaBackdoor: Exploiting Positional Encoding as a Backdoor Attack Surface in LLMs
Rui Wen
,
Mark Russinovich
,
Andrew Paverd
,
Jun Sakuma
,
Ahmed Salem
May 14, 2026