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CVE-2026-47737

🗓️ 14 Jul 2026 20:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 25 Views

CVE-2026-47737: Puma 5.5.0–7.2.1 and 8.0.2 allow source IP spoofing via PROXY headers on persistent connections.

Related
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Refs
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Family
attackerkb
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CVE-2026-47737
14 Jul 202619:45
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CVE-2026-47737 vulnerabilities
10 Jun 202607:25
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cve
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CVE-2026-47737
14 Jul 202619:45
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cvelist
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CVE-2026-47737 Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections
14 Jul 202619:45
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debiancve
Debian CVE
CVE-2026-47737
14 Jul 202619:45
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euvd
EUVD
EUVD-2026-44427
14 Jul 202619:45
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github
Github Security Blog
Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections
9 Jun 202600:09
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nvd
NVD
CVE-2026-47737
14 Jul 202620:17
nvd
osv
OSV
CGA-2HHC-62Q2-FW2R
9 Jun 202613:56
osv
osv
OSV
CGA-32HP-5F7V-G2VH
9 Jun 202611:17
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu20.04allpuma0puma_0_all.deb
Ubuntu22.04allpuma0puma_0_all.deb
Ubuntu24.04allpuma0puma_0_all.deb
Ubuntu26.04allpuma0puma_0_all.deb

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16 Jul 2026 10:54Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
EPSS0.00266
SSVC
25