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TI-2018-11819 Aliases CVE-2018-16477GHSA-7rr7-rcjw-56vj

Information disclosure in https://github.com/rails/rails

Priority LOW 31CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.

Why it matters now

EPSS 0.01311 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed activestorage (RubyGems): 5.2.1.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—https://github.com/rails/rails5.2.0 and later and before 5.2.1.1—No fix listedCNA
—activestorage (RubyGems)5.2.0 to before 5.2.1.15.2.1.1Patch availableGHSA-7rr7-rcjw-56vj
  • https://github.com/rails/rails Vendor— Affected 5.2.0 and later and before 5.2.1.1 Fixed in — No fix listed CNA
  • activestorage (RubyGems) Vendor— Affected 5.2.0 to before 5.2.1.1 Fixed in 5.2.1.1 Patch available GHSA-7rr7-rcjw-56vj

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*5.2.0 to before 5.2.1.1VulnerableRails
  • cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* Versions 5.2.0 to before 5.2.1.1 Vulnerable ·Rails

Remediation

  • Fix · GHSA-7rr7-rcjw-56vj activestorage (RubyGems) Fixed in 5.2.1.1 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-16477
  2. 2026-10-03 Alias added: GHSA-7rr7-rcjw-56vj

References

Exploit 1

Advisory 3

Other 1

  • TI-2014-00124 Directory traversal vulnerability in actionpack/lib/abstract_controller/base.rb in the… KEVCVSS 3.1HIGH 7.5
  • TI-2019-03828 Path traversal in Rails https://github.com/rails/rails KEVCVSS 3.1HIGH 7.5
  • TI-2016-00672 Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x… KEVCVSS 3.1HIGH 7.5
  • TI-2019-03830 Command injection in Rails https://github.com/rails/rails CVSS 3.1CRITICAL 9.8
  • TI-2020-06581 Code injection in https://github.com/rails/rails CVSS 3.1HIGH 8.8
  • TI-2013-00091 active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before… CVSS 2.0HIGH 7.5
See all 117 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences