GHSA-pfqj-w6r6-g86v

Pitchfork HTTP Request/Response Splitting vulnerability

Source: GitHub Advisory Database (reviewed) Moderate CVE-2025-30221

Packages

Ecosystem	Package	Affected	Fixed in
RubyGems	pitchfork	< 0.11.0	0.11.0

Details

As written in the advisory (Markdown source, shown as plain text).

### 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.

References

External links from the advisory. They lead to third-party sites.

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