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CVE-2026-44575 Next.js: Middleware / Proxy bypass in App Router applications via segment-prefetch routes

🗓️ 13 May 2026 16:54:39Reported by GitHub_MType 
vulnrichment
 vulnrichment
🔗 github.com👁 10 Views

Next.js App Router can be bypassed by segment-prefetch routes in affected versions 15.2.0–15.5.15 and 16.2.0–16.2.4.

Related
Affected
Refs
[
  {
    "cpes": [
      "cpe:/a:redhat:amq_streams:2.9::el9"
    ],
    "vendor": "Red Hat",
    "product": "Streams for Apache Kafka 2.9.4",
    "packageName": "next",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:trusted_artifact_signer:1.3::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Trusted Artifact Signer 1.3",
    "versions": [
      {
        "status": "unaffected",
        "version": "1783958622",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhtas/rekor-search-ui-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:trusted_artifact_signer:1.4::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Trusted Artifact Signer 1.4",
    "versions": [
      {
        "status": "unaffected",
        "version": "1783327185",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhtas/rekor-search-ui-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "packageName": "firefox",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "packageName": "thunderbird",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "packageName": "firefox",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "packageName": "firefox",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "packageName": "thunderbird",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "packageName": "firefox",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "packageName": "thunderbird",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux_ai:3"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "packageName": "rhelai3/bootc-cuda-rhel9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux_ai:3"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "packageName": "rhelai3/bootc-gaudi-rhel9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux_ai:3"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "packageName": "rhelai3/bootc-rocm-rhel9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:enterprise_linux_ai:3"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "packageName": "rhelai3/disk-image-cuda-rhel9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:amq_streams:3"
    ],
    "vendor": "Red Hat",
    "product": "streams for Apache Kafka 3",
    "packageName": "next",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  }
]

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13 May 2026 16:54Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.01558
SSVC
10