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Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections

🗓️ 27 May 2026 00:00:00Reported by RubySecType 
rubygems
 rubygems
🔗 rubysec.com👁 14 Views

Puma Proxy Protocol Version One on persistent connections can spoof REMOTE_ADDR by re-parsing headers.

Related
Detection
Refs
Vulners
Node
OR
rubypumaRange7.2.07.2.1
rubypumaRange8.0.2

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27 May 2026 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
EPSS0.00177
SSVC
14