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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👁 8 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
CVE-2026-54478
22 Jul 202613:09
attackerkb
Circl
CVE-2026-54478
22 Jul 202614:25
circl
CVE
CVE-2026-54478
22 Jul 202613:09
cve
EUVD
EUVD-2026-47678
22 Jul 202615:31
euvd
NVD
CVE-2026-54478
22 Jul 202614:17
nvd
Positive Technologies
PT-2026-63386
22 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-54478 DNS Cookie bypass when combined with proxy-protocol use
22 Jul 202613:09
vulnrichment
[
  {
    "vendor": "NLnet Labs",
    "product": "Unbound",
    "versions": [
      {
        "version": "1.18.0",
        "status": "affected",
        "lessThan": "1.25.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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