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TI-2023-12909 Aliases CVE-2023-28362GHSA-4g8v-vg43-wpgf

Improper output encoding in Rails Action Pack

Priority LOW 19CWE-116Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Partial Red Hat: 1 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat.

Summary

The redirect_to method in Rails allows provided values to contain characters which are not legal in an HTTP header value. This results in the potential for downstream services which enforce RFC compliance on HTTP response headers to remove the assigned Location header.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00333 26th percentileScored 2026-11-07
Fix Partial Action Pack (Rails): 7.0.5.1, 6.1.7.4actionpack (RubyGems): 6.1.7.4, 7.0.5.1Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
RailsAction Pack7.0.5.1 to before 7.0.5.1; 6.1.7.4 to before 6.1.7.47.0.5.1, 6.1.7.4Patch availableCNA
—actionpack (RubyGems)before 6.1.7.46.1.7.4Patch availableGHSA-4g8v-vg43-wpgf
—actionpack (RubyGems)7.0.0 to before 7.0.5.17.0.5.1Patch availableGHSA-4g8v-vg43-wpgf
  • Action Pack VendorRails Affected 7.0.5.1 to before 7.0.5.1; 6.1.7.4 to before 6.1.7.4 Fixed in 7.0.5.1, 6.1.7.4 Patch available CNA
  • actionpack (RubyGems) Vendor— Affected before 6.1.7.4 Fixed in 6.1.7.4 Patch available GHSA-4g8v-vg43-wpgf
  • actionpack (RubyGems) Vendor— Affected 7.0.0 to before 7.0.5.1 Fixed in 7.0.5.1 Patch available GHSA-4g8v-vg43-wpgf

Remediation

  • Fix · CNA Action Pack (Rails) Fixed in 7.0.5.1, 6.1.7.4
  • Fix · GHSA-4g8v-vg43-wpgf actionpack (RubyGems) Fixed in 6.1.7.4 Advisory →
  • Fix · GHSA-4g8v-vg43-wpgf actionpack (RubyGems) Fixed in 7.0.5.1 Advisory →

Red Hat 1 advisory

  • RHSA-2023:7851 Released 2023-12-14 · Red Hat rating Moderate
    Satellite 6.14.1 Async Security Update
    • Red Hat Satellite 6.14 for RHEL 8 createrepo_c-1.0.2-2.el8pc, createrepo_c-libs-1.0.2-2.el8pc, foreman-3.7.0.10-1.el8sat +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat 3scale API Management Platform 2AffectedNo fix yet
Red Hat Satellite 6.14 for RHEL 8Fixed RHSA-2023:7851
Not affected: 1 product
  • Red Hat Satellite 6.14 for RHEL 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28362
  2. 2026-10-03 Alias added: GHSA-4g8v-vg43-wpgf

References

  • 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-2026-47043 Action Pack: Possible arbitrary file read and remote code execution in Active Storage variant processing CVSS 4.0CRITICAL 9.5
  • TI-2025-18040 Command injection in Rails activestorage CVSS 4.0CRITICAL 9.2
See all 163 →

Sources