VulnerabilityDeferred

CVE-2025-30221

Versions prior to 0.11.0 are vulnerable to HTTP Response Header Injection when used in conjunction with Rack 3.

MEDIUM 4.3EPSS 0.28%

Does this matter?

Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0: 4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS: 0.28% probability · 21th percentile
CISA KEV: Not listed
Weakness: CWE-113
Source: security-advisories@github.com

References

https://github.com/Shopify/pitchfork/commit/17ed9b61bf9f58957065f7405b66102daf86bf55
https://github.com/Shopify/pitchfork/security/advisories/GHSA-pfqj-w6r6-g86v

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.