VULNRABLE / Vulnerability / CVE-2026-47737
CVE-2026-47737
HIGH puma GHSA
CVSS Score
8
Severity
HIGH
EPSS
0%
Source
GHSA
Summary
Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections
What this means
CVE-2026-47737 is a high-severity vulnerability affecting puma, rated CVSS 8. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published June 9, 2026.
View full advisory at GHSA →