Link Following Affecting ruby-zip package, versions <1.2.2-1


Severity

Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
4.41% (91st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-RUBYZIP-19529316
  • published4 Sept 2026
  • disclosed26 Jun 2018

Introduced: 26 Jun 2018

CVE-2018-1000544  (opens in a new tab)
CWE-59  (opens in a new tab)
CWE-434  (opens in a new tab)

How to fix?

Upgrade Echo:latest ruby-zip to version 1.2.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby-zip package and not the ruby-zip package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..

CVSS Base Scores

version 3.1