Ruby on Rails Directory Traversal Vulnerability

Are you affected?

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• cpe debian/debian linux8.0
• cpe opensuse/leap42.1
• cpe opensuse/opensuse13.2
• cpe redhat/software collections1.0
• cpe rubyonrails/rails5.0.0
• cpe suse/linux enterprise module for containers12
• vendor Rails Ruby on Railsversion unspecified

How to fix CVE-2016-0752

• Recommended remediation

  Apply updates per vendor instructions. CISA due date Apr 15, 2022.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Feb 15, 2016 · Catalog

   Detected

   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.

2. Mar 25, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Apr 15, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   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.

Sources

• CISA KEVConfirmed exploitationCVE-2016-0752

  Directory traversal vulnerability in Action View in Ruby on Rails allows remote attackers to read arbitrary files.

  cisa.gov
• CVE.orgVulnerability recordCVE-2016-0752

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2016-0752

  30-day exploitation probability 95.5%

  first.org
• Exploit DatabasePublic exploit reference40561

  Public archive entry. The exploit body is not stored here.

  exploit-db.com
• Metasploit ModulesPublic exploit moduleexploit_multi/http/rails_dynamic_render_code_exec

  Public module reference (excellent). Module source is not copied into this catalog.

  rapid7.com
• NIST NVDVulnerability recordCVE-2016-0752

  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 met

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2016-0752

  Directory traversal vulnerability in Action View in Ruby on Rails allows remote attackers to read arbitrary files.

  vulncheck.com

References

• Permissions Required · lists.fedoraproject.org
• Permissions Required · lists.fedoraproject.org
• Mailing List · lists.opensuse.org
• Mailing List · lists.opensuse.org
• Mailing List · lists.opensuse.org
• Third Party Advisory · rhn.redhat.com
• Mailing List · debian.org
• Exploit · openwall.com
• CISA note · nvd.nist.gov
• VulnCheck exploitation evidence · cisa.gov
• VulnCheck exploitation evidence · f5.com
• VulnCheck exploitation evidence · researchgate.net

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.