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EUVD-2026-47931

🗓️ 23 Jul 2026 08:03:37Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

DNSSEC validation bypass when wildcard proofs with nsec/nsec3 are accepted for wildcard CNAME or DNAME.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-52686
23 Jul 202608:03
attackerkb
CVE
CVE-2026-52686
23 Jul 202608:03
cve
Cvelist
CVE-2026-52686 Wildcard CNAME proof validation bypass
23 Jul 202608:03
cvelist
Debian CVE
CVE-2026-52686
23 Jul 202608:03
debiancve
NVD
CVE-2026-52686
23 Jul 202609:16
nvd
OSV
DEBIAN-CVE-2026-52686
22 Jul 202623:48
osv
OSV
UBUNTU-CVE-2026-52686
23 Jul 202600:00
osv
Positive Technologies
PT-2026-63587
23 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-52686 Wildcard CNAME proof validation bypass
23 Jul 202608:03
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "df6bc0b1-b9a3-3a32-bc86-cb6407ce66d6",
        "vendor": {
          "name": "PowerDNS"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "415fd03f-01da-3d5d-a101-b84021a4681d",
        "product": {
          "name": "Recursor",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "5.3.0 <5.3.9"
      },
      {
        "id": "6f58c764-8baa-39a3-aade-f3a4adf8f710",
        "product": {
          "name": "Recursor",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "5.2.0 <5.2.12"
      },
      {
        "id": "ef604f76-deeb-3144-8ff9-b0426e038144",
        "product": {
          "name": "Recursor",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "5.4.0 <5.4.4"
      }
    ]
  }
]

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23 Jul 2026 13:56Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.13.7
SSVC
2