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CVE-2026-73212 coturn peer-IP ACL canonicalization & scope bypass on the RFC 6062 TCP CONNECT relay path → internal-network SSRF and proven internal root RCE

🗓️ 11 Aug 2026 17:31:43Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

Coturn before 4.13.1 allows authenticated TCP CONNECT clients to bypass IPv4 denied-peer-IP ACLs via non-canonical IPv4-mapped IPv6 addresses, enabling internal network SSRF and root RCE.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-73212
11 Aug 202617:31
cve
debiancve
Debian CVE
CVE-2026-73212
11 Aug 202617:31
debiancve
euvd
EUVD
EUVD-2026-56789
11 Aug 202617:31
euvd
nvd
NVD
CVE-2026-73212
11 Aug 202618:18
nvd
opensuse
OPENSUSE Linux
coturn-4.17.2-1.1 on GA media (moderate)
30 Aug 202600:00
opensuse
osv
OSV
DEBIAN-CVE-2026-73212
11 Aug 202618:18
osv
osv
OSV
OPENSUSE-SU-2026:11617-1 coturn-4.17.2-1.1 on GA media
27 Aug 202600:00
osv
osv
OSV
UBUNTU-CVE-2026-73212
11 Aug 202618:18
osv
ptsecurity
Positive Technologies
PT-2026-70799
11 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-73212
21 Aug 202613:06
redhatcve
Rows per page
[
  {
    "vendor": "coturn",
    "product": "coturn",
    "versions": [
      {
        "version": "< 4.13.1",
        "status": "affected"
      }
    ]
  }
]

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