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CVE-2026-12490 Bypass of client certificate verification with transfer over TLS

🗓️ 25 Jun 2026 05:24:41Reported by NLnet LabsType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2026-12490 bypasses client certificate verification for TLS transfers under some provide-xfr rules; certs may be ignored on regular ports.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-12490
25 Jun 202605:24
attackerkb
AlpineLinux
CVE-2026-12490
25 Jun 202605:24
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Circl
CVE-2026-12490
25 Jun 202607:49
circl
CVE
CVE-2026-12490
25 Jun 202605:24
cve
EUVD
EUVD-2026-39185
25 Jun 202609:31
euvd
NVD
CVE-2026-12490
25 Jun 202607:16
nvd
Positive Technologies
PT-2026-52212
25 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-12490 Bypass of client certificate verification with transfer over TLS
25 Jun 202605:24
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "NSD",
    "vendor": "NLnet Labs",
    "versions": [
      {
        "version": "4.10.1",
        "lessThan": "4.14.3",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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