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CVE-2026-47737

🗓️ 14 Jul 2026 19:45:16Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 102 Views

Puma PROXY Protocol v1 on persistent connections allows address spoofing by re-parsing headers; fixed in 7.2.1 and 8.0.2.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-47737
14 Jul 202619:45
attackerkb
cgr
Chainguard
CVE-2026-47737 vulnerabilities
10 Jun 202607:25
cgr
cvelist
Cvelist
CVE-2026-47737 Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections
14 Jul 202619:45
cvelist
debiancve
Debian CVE
CVE-2026-47737
14 Jul 202619:45
debiancve
euvd
EUVD
EUVD-2026-44427
14 Jul 202619:45
euvd
github
Github Security Blog
Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections
9 Jun 202600:09
github
nvd
NVD
CVE-2026-47737
14 Jul 202620:17
nvd
osv
OSV
CGA-HXJR-48XQ-VGJQ
10 Jun 202606:02
osv
osv
OSV
CLEANSTART-2026-VR87787 Security fixes in logstash-fips 9.4.3-r1
13 Aug 202612:10
osv
osv
OSV
DEBIAN-CVE-2026-47737
14 Jul 202620:17
osv
Rows per page
Vulners
Node
OR
pumapumaRange5.5.07.2.1
pumapumaRange8.0.08.0.2
[
  {
    "vendor": "puma",
    "product": "puma",
    "versions": [
      {
        "version": ">= 5.5.0, < 7.2.1",
        "status": "affected"
      },
      {
        "version": ">= 8.0.0, < 8.0.2",
        "status": "affected"
      }
    ]
  }
]

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15 Jul 2026 18:15Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
EPSS0.00266
SSVC
102