{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2025.12.1"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "924e262c3df9a97e483186d2bee0b0661be26166"
            }
          ],
          "repo": "https://github.com/siliconlabssoftware/sisdk-release",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Silabs",
    "cwe_ids": [
      "CWE-339"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2815.json"
  },
  "details": "Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys",
  "id": "CVE-2026-2815",
  "modified": "2026-07-15T01:49:15.321530177Z",
  "published": "2026-06-25T13:27:45.446Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2815.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2815"
    },
    {
      "type": "REPORT",
      "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000kDYsfIAG?operationContext=S1"
    },
    {
      "type": "FIX",
      "url": "https://github.com/SiliconLabsSoftware/sisdk-release"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys"
}