{
  "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-2026-8266",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-8266",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-11T02:45:08.137Z",
    "updatedAt": "2026-05-12T02:44:46.519Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_accept denial of service",
      "summary": "A vulnerability was detected in Open5GS up to 2.7.7. This affects the function gsm_build_pdu_session_establishment_accept of the file /src/smf/gsm-build.c of the component SMF. The manipulation results in denial of service. The attack can be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.",
      "affected": [
        {
          "vendor": "n/a",
          "product": "Open5GS",
          "versions": [
            {
              "version": "2.7.0",
              "status": "affected"
            },
            {
              "version": "2.7.1",
              "status": "affected"
            },
            {
              "version": "2.7.2",
              "status": "affected"
            },
            {
              "version": "2.7.3",
              "status": "affected"
            },
            {
              "version": "2.7.4",
              "status": "affected"
            },
            {
              "version": "2.7.5",
              "status": "affected"
            },
            {
              "version": "2.7.6",
              "status": "affected"
            },
            {
              "version": "2.7.7",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}