# special-tokens
2 articlestagged with “special-tokens”
Delimiter-Based Attacks
Exploiting XML, markdown, JSON, special token boundaries, and structured formatting to escape input sandboxes and inject instructions at elevated privilege levels.
prompt-injectiondelimitersxmlmarkdownspecial-tokensboundary-attacks
Tokenizer Manipulation & Custom Vocabularies
Attacking BPE training data to influence vocabulary construction, inserting special tokens, manipulating merge rules, and creating custom tokenizer backdoors.
tokenizerBPEvocabularymerge-rulestoken-manipulationspecial-tokens