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---
gem: yard
date: 2019-07-02
url: https://github.com/lsegal/yard/security/advisories/GHSA-xfhh-rx56-rxcr
title: Possible arbitrary path traversal and file access via `yard server`
description: A path traversal vulnerability was discovered in YARD <= 0.9.19 when
  using `yard server` to serve documentation. This bug would allow unsanitized HTTP
  requests to access arbitrary files on the machine of a yard server host under certain
  conditions.
patched_versions:
- ">= 0.9.20"