{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-41248",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-41248",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-24T21:04:35.810Z",
    "updatedAt": "2026-04-27T13:46:28.646Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Official Clerk JavaScript SDKs:  Middleware-based route protection bypass",
      "summary": "Clerk JavaScript is the official JavaScript repository for Clerk authentication. createRouteMatcher in @clerk/nextjs, @clerk/nuxt, and @clerk/astro can be bypassed by certain crafted requests, allowing them to skip middleware gating and reach downstream handlers. This vulnerability is fixed in @clerk/astro 1.5.7, 2.17.10, and 3.0.15; @clerk/nextjs 5.7.6, 6.39.2, and 7.2.1; @clerk/nuxt 1.13.28 and 2.2.2; and @clerk/shared 2.22.1, 3.47.4, anc 4.8.1",
      "affected": [
        {
          "vendor": "clerk",
          "product": "astro",
          "versions": [
            {
              "version": ">= 0.0.1, < 1.5.7",
              "status": "affected"
            },
            {
              "version": ">= 2.0.0-snapshot.v20241206174604, <= 2.17.9",
              "status": "affected"
            },
            {
              "version": ">= 3.0.0, < 3.0.15",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "clerk",
          "product": "nextjs",
          "versions": [
            {
              "version": ">= 5.0.0, < 5.7.6",
              "status": "affected"
            },
            {
              "version": ">= 6.0.0-snapshot.vb87a27f, < 6.39.2",
              "status": "affected"
            },
            {
              "version": ">= 7.0.0, < 7.2.1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "clerk",
          "product": "nuxt",
          "versions": [
            {
              "version": ">= 1.1.0, < 1.13.28",
              "status": "affected"
            },
            {
              "version": ">= 2.0.0, < 2.2.2",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "clerk",
          "product": "shared",
          "versions": [
            {
              "version": ">= 2.20.17, < 2.22.1",
              "status": "affected"
            },
            {
              "version": ">= 3.0.0-canary.v20250225091530, < 3.47.4",
              "status": "affected"
            },
            {
              "version": ">= 4.0.0, < 4.8.1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}