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Vulnerability record · CVE-2017-5946 · published 27 February 2017

CVE-2017-5946: Rubyzip project rubyzip path traversal vulnerability

RRubyzip Project · Rubyzip

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem.

9.8 CVSS 3.1 Critical EPSS 3.4% · top 11.5% CWE-22 · Path traversal
9.8CVSS 3.1 base score, v2 7.5
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2017/dsa-3801 Third Party Advisory
http://www.securityfocus.com/bid/96445 Third Party AdvisoryVDB Entry
https://github.com/rubyzip/rubyzip/issues/315 Third Party Advisory
https://github.com/rubyzip/rubyzip/releases Third Party Advisory
http://www.debian.org/security/2017/dsa-3801 Third Party Advisory
http://www.securityfocus.com/bid/96445 Third Party AdvisoryVDB Entry
https://github.com/rubyzip/rubyzip/issues/315 Third Party Advisory
https://github.com/rubyzip/rubyzip/releases Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-5946), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.