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CVE-2026-103602

🗓️ 02 Oct 2026 07:10:03Reported by bcorgType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Improper certificate validation in PkixNameConstraintValidator in bc-csharp.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-103602 Name constraints bypass via trailing dot in rfc822Name, dNSName and URI hosts
2 Oct 202607:10
–cvelist
euvd
EUVD
EUVD-2026-91232
2 Oct 202607:10
–euvd
kitploit
Kitploit
Anthropic-Credited-CVEs — Updated!
3 Sep 202601:25
–kitploit
kitploit
Kitploit
Anthropic-Credited-CVEs
2 Oct 202608:31
–kitploit
nvd
NVD
CVE-2026-103602
2 Oct 202608:17
–nvd
ptsecurity
Positive Technologies
PT-2026-104123
2 Oct 202600:00
–ptsecurity
[
  {
    "vendor": "Legion of the Bouncy Castle Inc.",
    "product": "bc-csharp",
    "collectionURL": "https://www.nuget.org/packages/BouncyCastle.Cryptography",
    "packageName": "BouncyCastle.Cryptography",
    "repo": "https://github.com/bcgit/bc-csharp",
    "programFiles": [
      "crypto/src/pkix/PkixNameConstraintValidator.cs",
      "crypto/src/pkix/NameConstraintUtilities.cs",
      "crypto/src/pkix/NameConstraintEmail.cs",
      "crypto/src/pkix/NameConstraintDns.cs",
      "crypto/src/pkix/NameConstraintUri.cs"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.7.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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