{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
              "cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:*:*:-:-:*:*",
              "cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:*:*:-:-:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "7.0.0"
              },
              {
                "fixed": "7.0.41"
              },
              {
                "introduced": "8.0.0"
              },
              {
                "fixed": "8.0.30"
              },
              {
                "introduced": "8.3.0"
              },
              {
                "fixed": "8.3.9"
              },
              {
                "introduced": "9.0.0-alpha0"
              },
              {
                "last_affected": "9.0.0-alpha0"
              },
              {
                "introduced": "9.0.0-alpha1"
              },
              {
                "last_affected": "9.0.0-alpha1"
              }
            ],
            "source": [
              "CPE_RANGE",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "37d84072b5c5b9fd723db5fa133fb202ad2317f1"
            },
            {
              "fixed": "6df23543fc9e7ee456ff05ed726b22865ea753e7"
            },
            {
              "introduced": "b41cda4fe697dce6fd9b83b3805362ccc02fbeb3"
            },
            {
              "fixed": "11c3ed7c274d5fb7149e498323bd0377c3a2876e"
            },
            {
              "introduced": "0f29b043a58fdd251ce0a0b32754b8459613c933"
            },
            {
              "fixed": "1dc3d60c3237b53589325474c668e849ecec3bae"
            },
            {
              "introduced": "3a33d18cd99f6855f658572fadf4f17ca699a9fe"
            },
            {
              "last_affected": "ad6ce8140cac97de41e53d1cb8c4808815b3ef77"
            }
          ],
          "repo": "https://github.com/mongodb/mongo",
          "type": "GIT"
        }
      ],
      "versions": [
        "9.0.0-alpha0",
        "9.0.0-alpha1"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mongodb",
    "cwe_ids": [
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82076.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "8.3.0"
          },
          {
            "fixed": "8.3.9"
          },
          {
            "introduced": "8.0.0"
          },
          {
            "fixed": "8.0.30"
          },
          {
            "introduced": "7.0.0"
          },
          {
            "fixed": "7.0.41"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "An integer overflow in the query planning component of MongoDB Server can allow an authenticated user with ordinary database-level read/write privileges to bypass an internal resource limit. Submitting a specially crafted query causes the server to consume memory without bound during query planning, and the resulting exhaustion terminates the server process. This may result in a denial of service affecting all databases served by the affected node.",
  "id": "CVE-2026-82076",
  "modified": "2026-09-16T03:30:23.787146807Z",
  "published": "2026-09-08T16:12:33.018Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://jira.mongodb.org/browse/SERVER-128253"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82076.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82076"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Integer Overflow in Query Planner Leads to Unbounded Memory Allocation and Denial of Service in MongoDB Server"
}