Directory traversal vulnerability in Jenkins before 1.583 and LTS before 1.565.3 allows remote authenticated users with the Overall/READ permission to read arbitrary files via unspecified vectors.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.