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CVE-2026-54478 DNS Cookie bypass when combined with proxy-protocol use

🗓️ 22 Jul 2026 13:09:18Reported by NLnet LabsType 
cvelist
 cvelist
🔗 www.cve.org👁 54 Views

DNS Cookie bypass in Unbound when using proxy protocol; server cookie computed from proxy address enables off-path replay.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-54478
22 Jul 202613:09
attackerkb
alpinelinux
AlpineLinux
CVE-2026-54478
22 Jul 202613:09
alpinelinux
cbl_mariner
CBLMariner
CVE-2026-54478 affecting package unbound for versions less than 1.25.2-1
23 Jul 202620:32
cbl_mariner
circl
Circl
CVE-2026-54478
22 Jul 202614:25
circl
cve
CVE
CVE-2026-54478
22 Jul 202613:09
cve
debiancve
Debian CVE
CVE-2026-54478
22 Jul 202613:09
debiancve
euvd
EUVD
EUVD-2026-47678
22 Jul 202613:09
euvd
freebsd
FreeBSD
unbound -- multiple vulnerabilities
22 Jul 202600:00
freebsd
fedora
Fedora
[SECURITY] Fedora 43 Update: unbound-1.25.2-1.fc43
31 Jul 202601:15
fedora
fedora
Fedora
[SECURITY] Fedora 44 Update: unbound-1.25.2-1.fc44
30 Jul 202601:18
fedora
Rows per page
[
  {
    "vendor": "NLnet Labs",
    "product": "Unbound",
    "versions": [
      {
        "version": "1.18.0",
        "status": "affected",
        "lessThan": "1.25.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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22 Jul 2026 13:09Current
CVSS 3.13.7
EPSS0.00178
54