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CVE-2026-54478

🗓️ 22 Jul 2026 14:17:21Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Unbound DNS cookie validation flaw lets cookie replay via proxy protocol; SipHash bases on proxy address, not client.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54478
22 Jul 202613:09
attackerkb
AlpineLinux
CVE-2026-54478
22 Jul 202613:09
alpinelinux
CBLMariner
CVE-2026-54478 affecting package unbound for versions less than 1.25.2-1
23 Jul 202620:32
cbl_mariner
Circl
CVE-2026-54478
22 Jul 202614:25
circl
CVE
CVE-2026-54478
22 Jul 202613:09
cve
Cvelist
CVE-2026-54478 DNS Cookie bypass when combined with proxy-protocol use
22 Jul 202613:09
cvelist
Debian CVE
CVE-2026-54478
22 Jul 202613:09
debiancve
EUVD
EUVD-2026-47678
22 Jul 202613:09
euvd
FreeBSD
unbound -- multiple vulnerabilities
22 Jul 202600:00
freebsd
Tenable Nessus
FreeBSD : unbound -- multiple vulnerabilities (f63b4b88-6901-4c12-b13d-5a821e25e9bf)
26 Jul 202600:00
nessus
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27 Jul 2026 14:06Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.13.7
EPSS0.00171
3