# CVE-2016-0752: Ruby on Rails Directory Traversal Vulnerability

> CVE-2016-0752: Ruby on Rails Directory Traversal Vulnerability. CVSS 7.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2016-0752
Last updated: 2025-10-21T23:55:55Z

- Published: 2016-02-16 02:00 UTC · Updated: 2025-10-21 23:55 UTC · Assigner: redhat
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS: 95.5%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-25, federal due date 2022-04-15, ransomware use: Unknown

## Description

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Rails: Ruby on Rails

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2016-0752)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2016-0752)
- [http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178044.html](http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178044.html)
- [http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178069.html](http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178069.html)
- [http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html](http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html)
- [http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html](http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html)
- [http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html](http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html)
- [http://rhn.redhat.com/errata/RHSA-2016-0296.html](http://rhn.redhat.com/errata/RHSA-2016-0296.html)
- [https://groups.google.com/forum/message/raw?msg=ruby-security-ann/335P1DcLG00/JXcBnTtZEgAJ](https://groups.google.com/forum/message/raw?msg=ruby-security-ann/335P1DcLG00/JXcBnTtZEgAJ)
- [https://www.exploit-db.com/exploits/40561/](https://www.exploit-db.com/exploits/40561/)
- [http://www.debian.org/security/2016/dsa-3464](http://www.debian.org/security/2016/dsa-3464)
- [http://www.openwall.com/lists/oss-security/2016/01/25/13](http://www.openwall.com/lists/oss-security/2016/01/25/13)
- [http://www.securityfocus.com/bid/81801](http://www.securityfocus.com/bid/81801)
- [http://www.securitytracker.com/id/1034816](http://www.securitytracker.com/id/1034816)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2016-0752 · Markdown: https://rewindex.com/cve/CVE-2016-0752.md · JSON: https://rewindex.com/api/v1/cves/CVE-2016-0752 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:01:44.706Z