CVE-2017-14849
Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to ".." handling was incompatible with the pathname validation used by unspecified community modules.
Date published : 2017-09-27
http://www.securityfocus.com/bid/101056
https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/