{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:beakerbrowser:beaker:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.8.9"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "33e79cc09fe40e1b9d60b96c77f5b52c80c6c0a0"
            }
          ],
          "repo": "https://github.com/beakerbrowser/beaker",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "Beaker before 0.8.9 allows a sandbox escape, enabling system access and code execution. This occurs because Electron context isolation is not used, and therefore an attacker can conduct a prototype-pollution attack against the Electron internal messaging API.",
  "id": "CVE-2020-12079",
  "modified": "2026-07-08T05:38:25.033169919Z",
  "published": "2020-04-23T04:15:13.343Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/beakerbrowser/beaker/issues/1519"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/beakerbrowser/beaker/releases/tag/0.8.9"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}