CVE-2026-71492
CVE-2026-71492 · Banks: Path traversal in `DirectoryPromptRegistry.set()` allows arbitrary file write outside the registry root
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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.
CVSS 6.0 · Mittel · EPSS 0,5% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: python
Betroffene Produkte und Versionen
banks
- Softwareversionen
- < 2.4.5: Betroffen
Keine Korrektur veröffentlicht
banks PyPI
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- ECOSYSTEM: < 2.4.5
Auf 2.4.5 aktualisieren