{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.7.7"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "318eeb49a7dcdff733dec60e02d9c60aefca2fb9"
            }
          ],
          "repo": "https://github.com/open5gs/open5gs",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-f4mx-3x6p-cfwp"
  ],
  "database_specific": {
    "cna_assigner": "redhat-cnalr",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15720.json"
  },
  "details": "In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.",
  "id": "CVE-2026-15720",
  "modified": "2026-07-15T01:49:13.410994820Z",
  "published": "2026-07-14T18:20:22.732Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15720.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15720"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler"
}