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6.0 Moyenne

CVE-2026-71492 Banks generates meaningful LLM prompts using a simple template language

Description

Banks generates meaningful LLM prompts using a simple template language. Prior to version 2.4.5, DirectoryPromptRegistry.set() in src/banks/registries/directory.py interpolates attacker-controlled Prompt.name and Prompt.version values into a Path without canonicalization or containment validation. Relative traversal such as ../victim/foo and an absolute Prompt.name can escape or discard the configured registry root, while overwrite=True permits replacement of existing target files. The poisoned name is persisted in index.json and reconstructed by _load(), allowing the out-of-root path to survive later registry loads. An application that forwards request data into these fields can therefore write Prompt.raw bytes to attacker-chosen paths writable by the application process. This issue is fixed in version 2.4.5.

Produits et versions touchés

Produit Versions touchées Corrigé en
banks 2.4 premières → < 2.4.5 2.4.5

Références

Chronologie

  1. Publiée
  2. Dernière modification

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