{
  "cveId": "CVE-2026-40460",
  "url": "https://patchblox.com/security/cve/CVE-2026-40460",
  "summary": "CVE-2026-40460 is fixed in 29 products on 1 platform, first by libnginx-mod-http-geoip 1.28.0-6ubuntu1.4, released May 22, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "NGINX ngx_quic_module vulnerability",
  "description": "When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC\u00A0module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting.\u00A0\u00A0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
  "published": "2026-05-13T09:16:00Z",
  "severity": "Moderate",
  "cvss": 6.5,
  "cwe": "Authentication Bypass by Spoofing",
  "epss": 0.00373,
  "epssPercentile": 0.31513,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40460",
  "fixes": [
    {
      "platform": "linux",
      "product": "libnginx-mod-http-geoip",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.28.0-6ubuntu1.4",
      "fix": "libnginx-mod-http-geoip 1.28.0-6ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnginx-mod-http-geoip-1.28.0-6ubuntu1.4",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-geoip",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.28.3-2ubuntu1.2",
      "fix": "libnginx-mod-http-geoip 1.28.3-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnginx-mod-http-geoip-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-image-filter",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.28.0-6ubuntu1.4",
      "fix": "libnginx-mod-http-image-filter 1.28.0-6ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnginx-mod-http-image-filter-1.28.0-6ubuntu1.4",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-image-filter",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.28.3-2ubuntu1.2",
      "fix": "libnginx-mod-http-image-filter 1.28.3-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnginx-mod-http-image-filter-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-perl",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.28.0-6ubuntu1.4",
      "fix": "libnginx-mod-http-perl 1.28.0-6ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnginx-mod-http-perl-1.28.0-6ubuntu1.4",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-perl",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.28.3-2ubuntu1.2",
      "fix": "libnginx-mod-http-perl 1.28.3-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnginx-mod-http-perl-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-xslt-filter",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.28.0-6ubuntu1.4",
      "fix": "libnginx-mod-http-xslt-filter 1.28.0-6ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnginx-mod-http-xslt-filter-1.28.0-6ubuntu1.4",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-xslt-filter",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.28.3-2ubuntu1.2",
      "fix": "libnginx-mod-http-xslt-filter 1.28.3-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnginx-mod-http-xslt-filter-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-mail",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.28.0-6ubuntu1.4",
      "fix": "libnginx-mod-mail 1.28.0-6ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnginx-mod-mail-1.28.0-6ubuntu1.4",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-mail",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.28.3-2ubuntu1.2",
      "fix": "libnginx-mod-mail 1.28.3-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnginx-mod-mail-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-stream",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "1.28.0-6ubuntu1.4",
      "fix": "libnginx-mod-stream 1.28.0-6ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnginx-mod-stream-1.28.0-6ubuntu1.4",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
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      "release": "Ubuntu 26.04.1 LTS (resolute)",
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      "fix": "libnginx-mod-stream 1.28.3-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnginx-mod-stream-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
    },
    {
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      "fix": "libnginx-mod-stream-geoip 1.28.0-6ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libnginx-mod-stream-geoip-1.28.0-6ubuntu1.4",
      "released": "2026-05-22T08:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-stream-geoip",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.28.3-2ubuntu1.2",
      "fix": "libnginx-mod-stream-geoip 1.28.3-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libnginx-mod-stream-geoip-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
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    {
      "platform": "linux",
      "product": "nginx",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.26.3-3\u002Bdeb13u5",
      "fix": "DEBIAN-CVE-2026-40460",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-40460",
      "released": "2026-05-27T17:38:13Z"
    },
    {
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      "release": "Debian 14",
      "fixedVersion": "1.30.0-4",
      "fix": "DEBIAN-CVE-2026-40460",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-40460",
      "released": "2026-05-27T17:38:13Z"
    },
    {
      "platform": "linux",
      "product": "nginx",
      "release": "Ubuntu 25.10 (questing)",
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      "fix": "nginx 1.28.0-6ubuntu1.4",
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-nginx-1.28.3-2ubuntu1.2",
      "released": "2026-05-22T08:16:00Z"
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    {
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      "release": "amzn 2023",
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      "fix": "ALAS2023-2026-1714",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1714",
      "released": "2026-05-25T09:00:00Z"
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    {
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      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:21439-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21439-1",
      "released": "2026-07-24T07:39:50Z"
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      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22951-1",
      "released": "2026-07-24T07:41:08Z"
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  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}