MongoDB Aggregation Command Invariant Assertion Failure Leading to Process Termination

{
  "id": "5353f96c2c85b50650a995ff2a90e18d801c5578b472a09090e2508a5fd4da34",
  "url": "https://osv.dev/vulnerability/CVE-2026-13073",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MongoDB Aggregation Command Invariant Assertion Failure Leading to Process Termination",
    "summary": "An authenticated user with read-only privileges can cause the mongod process to terminate abnormally by issuing a crafted aggregation command, resulting in denial of service for all connected clients until the process is restarted. The issue stems from an internal engine selection inconsistency triggered by a specific combination of aggregation options.",
    "evidence": "osv:CVE-2026-13073",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-13073",
      "aliases": [
        "BIT-mongodb-2026-13073",
        "CVE-2026-13073"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mongodb/mongo",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b41cda4fe697dce6fd9b83b3805362ccc02fbeb3"
                },
                {
                  "fixed": "dc5344b376fdfab0fe5b2982f125c056ab0abcd8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "fixed": "8.0.28"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "r8.0.24",
            "r8.0.17-alpha0",
            "r8.0.16-rc1",
            "r8.0.16",
            "r8.0.16-rc0",
            "r8.0.14-rc1",
            "r8.0.14",
            "r8.0.14-rc0",
            "r8.0.13-rc2",
            "r8.0.13",
            "r8.0.13-rc1",
            "r8.0.13-rc0",
            "r8.0.12-rc0",
            "r8.0.12",
            "r8.0.10-rc0",
            "r8.0.10",
            "r8.0.6",
            "r8.0.5-rc2",
            "r8.0.5",
            "r8.0.5-rc1",
            "r8.0.5-rc0",
            "r8.0.4-rc0",
            "r8.0.4",
            "r8.0.3",
            "r8.0.2",
            "r8.0.1-rc0",
            "r8.0.1",
            "r8.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13073.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.532899327Z",
      "provider": "osv",
      "references": [
        "https://jira.mongodb.org/browse/SERVER-128512",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13073.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-13073"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-617"
        ],
        "cna_assigner": "mongodb",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "fixed": "8.0.28"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13073.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-13073",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490166,
  "published_at": "2026-07-22T19:13:55.339+00:00"
}