HIGHRubyGems →
Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections
Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections
Affected packages
- puma— 8.0.0 → 8.0.2
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/puma/puma/security/advisories/GHSA-2vqw-3mp8-cgmx
- https://github.com/puma/puma
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2026-47737.yml
- https://www.cve.org/CVERecord/SearchResults?query=CVE-2026-47737
Structured record: https://osv.dev/vulnerability/GHSA-2vqw-3mp8-cgmx
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