{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.15.0"
              },
              {
                "last_affected": "1.15.0"
              },
              {
                "introduced": "1.15.1"
              },
              {
                "last_affected": "1.15.1"
              },
              {
                "introduced": "2.0.1"
              },
              {
                "last_affected": "2.0.1"
              },
              {
                "introduced": "2.0.2"
              },
              {
                "last_affected": "2.0.2"
              },
              {
                "introduced": "2.0.3"
              },
              {
                "last_affected": "2.0.3"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "84aec92962379922d3dea4283a638dd7fb29f64a"
            },
            {
              "last_affected": "20ff725dbe9fe28fbf779c3ef38efdd827cea995"
            }
          ],
          "repo": "https://github.com/beautifier/js-beautify",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.15.0",
        "1.15.1",
        "2.0.1",
        "2.0.2",
        "2.0.3"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-400",
      "CWE-789"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109149.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "2.0.0"
          },
          {
            "last_affected": "2.0.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A weakness has been identified in beautifier js-beautify up to 1.15.1/2.0.3. The affected element is an unknown function. Executing a manipulation can lead to uncontrolled memory allocation. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "CVE-2026-109149",
  "modified": "2026-10-17T10:30:43.659939914Z",
  "published": "2026-10-13T09:30:16.051Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/beautifier/js-beautify/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109149.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109149"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-109149"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/978621"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/416885"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/beautifier/js-beautify/issues/2522"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/416885/cti"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "beautifier js-beautify memory allocation"
}