Vulnerability · Published Mar 27, 2025 · Assigned by GitHub_M
CVE-2025-30221Pitchfork HTTP Request/Response Splitting vulnerability
Medium 4.3
In plain English
A medium-severity security flaw in pitchfork from Shopify. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)4.3Medium
Exploit odds (30 days)0.3%top 78.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Pitchfork is a preforking HTTP server for Rack applications. Versions prior to 0.11.0 are vulnerable to HTTP Response Header Injection when used in conjunction with Rack 3. The issue was fixed in Pitchfork release 0.11.0. No known workarounds are available.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| RubyGems | pitchfork | 0.11.0 | GHSA-pfqj-w6r6-g86v |
Affected products (as reported)
Weakness: CWE-113 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N