{
  "threat_severity" : "Important",
  "public_date" : "2026-07-14T18:45:33Z",
  "bugzilla" : {
    "description" : "ASP.NET Core: ASP.NET Core: Privilege Elevation via Authentication Bypass",
    "id" : "2500502",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2500502"
  },
  "cvss3" : {
    "cvss3_base_score" : "8.8",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-472",
  "details" : [ "Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.", "A flaw was found in ASP.NET Core. An authorized attacker can exploit this authentication bypass vulnerability over a network by manipulating assumed-immutable data. This can allow the attacker to elevate their privileges within the system." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Hardened Images",
    "release_date" : "2026-06-17T00:00:00Z",
    "advisory" : "RHSA-2026:26638",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "package" : "dotnet10-0-main-10.0.109-1.hum1"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "release_date" : "2026-07-15T00:00:00Z",
    "advisory" : "RHSA-2026:39952",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "package" : "dotnet9-0-main-9.0.119-1.hum1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "dotnet10.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "dotnet8.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "dotnet9.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "dotnet10.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "dotnet8.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "dotnet9.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "dotnet10.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "dotnet8.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "dotnet9.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "fix_state" : "Affected",
    "package_name" : "dotnet8.0",
    "cpe" : "cpe:/a:redhat:hummingbird:1"
  }, {
    "product_name" : "Red Hat OpenShift Dev Spaces",
    "fix_state" : "Not affected",
    "package_name" : "devspaces/udi-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_devspaces:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-47303\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47303\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47303" ],
  "name" : "CVE-2026-47303",
  "csaw" : false
}