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CVE-2026-77955

🗓️ 16 Sep 2026 08:29:39Reported by NLnet LabsType 
cve
 cve
🔗 web.nvd.nist.gov👁 2 Views

ZONEMD bypass in NLnet Labs Unbound 1.13.2-1.26.1 serves tampered zone data before verification.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-77955 Possible ZONEMD verification bypass window
16 Sep 202608:29
cvelist
euvd
EUVD
EUVD-2026-80287
16 Sep 202608:29
euvd
nvd
NVD
CVE-2026-77955
16 Sep 202609:17
nvd
redhatcve
RedhatCVE
CVE-2026-77955
16 Sep 202609:38
redhatcve
[
  {
    "vendor": "NLnet Labs",
    "product": "Unbound",
    "versions": [
      {
        "version": "1.13.2",
        "status": "affected",
        "lessThan": "1.26.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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16 Sep 2026 09:17Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.14.4
2