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CVE-2026-84970

🗓️ 03 Sep 2026 14:56:14Reported by mongodbType 
cve
 cve
🔗 web.nvd.nist.gov👁 30 Views

Heap over-read in MongoDB C++ Driver BSON JSON parser via 32-bit length truncation.

Related
Detection
Affected
Refs
NVD
Vulners
Node
mongodbc++_driverRange3.2.0–4.5.2mongodb
[
  {
    "vendor": "MongoDB",
    "product": "C++ Driver",
    "versions": [
      {
        "status": "affected",
        "version": "3.2.0",
        "lessThan": "4.5.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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10 Sep 2026 19:47Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.8 - 6.2
CVSS 45.9
EPSS0.00124
SSVC
30