GitHub Advisoryadvisory · RubyGems
GHSA-pfqj-w6r6-g86v Pitchfork HTTP Request/Response Splitting vulnerability
MEDIUM
Official page ↗
- Aliases
- CVE-2025-30221
- Ecosystem
- RubyGems
- Packages
- pitchfork
- Severity
- Moderate
- CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-113
- Reviewed
- 2025-03-27
Affected packages
• RubyGems pitchfork: < 0.11.0 → fixed in 0.11.0
Description
Impact
HTTP Response Header Injection in Pitchfork Versions < 0.11.0 when used in conjunction with Rack 3
Patches
The issue was fixed in Pitchfork release 0.11.0
Workarounds
There are no known work arounds. Users must upgrade.
Related
Alias · CVE (1)
- CVE-2025-30221 Pitchfork is a preforking HTTP server for Rack applications. vulnerability
Weakness · CWE (1)
- CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers weakness
References
- https://github.com/Shopify/pitchfork/security/advisories/GHSA-pfqj-w6r6-g86v web
- https://nvd.nist.gov/vuln/detail/CVE-2025-30221 advisory
- https://github.com/Shopify/pitchfork/commit/17ed9b61bf9f58957065f7405b66102daf86bf55 web
- https://github.com/Shopify/pitchfork package
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/pitchfork/CVE-2025-30221.yml web