Open redirect in https://github.com/rails/rails
Priority LOW 31CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-601.
Summary
A possible open redirect vulnerability in the Host Authorization middleware in Action Pack >= 6.0.0 that could allow attackers to redirect users to a malicious website.
Why it matters now
EPSS 0.01695 77th percentileScored 2026-11-07
Fix Partial actionpack (RubyGems): 6.0.4.1, 6.1.4.1Red Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | https://github.com/rails/rails | 6.1.4.1, 6.0.4.1 | — | No fix listed | CNA |
| — | actionpack (RubyGems) | 6.0.0 to before 6.0.4.1 | 6.0.4.1 | Patch available | GHSA-2rqw-v265-jf8c |
| — | actionpack (RubyGems) | 6.1.0 to before 6.1.4.1 | 6.1.4.1 | Patch available | GHSA-2rqw-v265-jf8c |
- https://github.com/rails/rails Vendor— Affected 6.1.4.1, 6.0.4.1 Fixed in — No fix listed CNA
- actionpack (RubyGems) Vendor— Affected 6.0.0 to before 6.0.4.1 Fixed in 6.0.4.1 Patch available GHSA-2rqw-v265-jf8c
- actionpack (RubyGems) Vendor— Affected 6.1.0 to before 6.1.4.1 Fixed in 6.1.4.1 Patch available GHSA-2rqw-v265-jf8c
Remediation
- Fix · GHSA-2rqw-v265-jf8c actionpack (RubyGems) Fixed in 6.0.4.1 Advisory →
- Fix · GHSA-2rqw-v265-jf8c actionpack (RubyGems) Fixed in 6.1.4.1 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Satellite 6 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- CloudForms Management Engine 5
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22942
- 2026-10-03 Alias added: GHSA-2rqw-v265-jf8c
References
Patch 1
Advisory 3
Other 8
- https://security.netapp.com/advisory/ntap-20240202-0005/
- https://access.redhat.com/security/cve/cve-2021-22942
- https://github.com/rails/rails
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2021-22942.yml
- https://groups.google.com/g/rubyonrails-security/c/wB5tRn7h36c
- https://rubygems.org/gems/actionpack
- https://security.netapp.com/advisory/ntap-20240202-0005
- https://weblog.rubyonrails.org/2021/8/19/Rails-6-0-4-1-and-6-1-4-1-have-been-released
More Rails vulnerabilities
- 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
Sources
- CVE-2021-22942 · CVE Program
- CVE-2021-22942 · NVD
- FIRST EPSS
- GHSA-2rqw-v265-jf8c · GitHub Advisory Database · CC BY 4.0
- CVE-2021-22942 · Red Hat security data · CC BY 4.0
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