FKIE_CVE-2026-4358

Vulnerability from fkie_nvd - Published: 2026-03-17 20:16 - Updated: 2026-04-02 12:16
Severity ?
6.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.
References
cna@mongodb.comhttps://jira.mongodb.org/browse/SERVER-118849Exploit, Vendor Advisory
Impacted products
Vendor Product Version
mongodb mongodb *
mongodb mongodb *
mongodb mongodb *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "20BB1767-F789-4A09-BB6F-00B535AEDC02",
              "versionEndExcluding": "7.0.31",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "343C4216-8507-44B6-B692-7A7B66455402",
              "versionEndExcluding": "8.0.20",
              "versionStartIncluding": "8.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "5A773422-F80B-477C-BD39-1DE25E94BADD",
              "versionEndExcluding": "8.2.6",
              "versionStartIncluding": "8.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk."
    },
    {
      "lang": "es",
      "value": "Una consulta de agregaci\u00f3n especialmente dise\u00f1ada con $lookup por un usuario autenticado con privilegios de escritura puede causar un problema de memoria de doble liberaci\u00f3n o uso despu\u00e9s de liberaci\u00f3n en el motor de ejecuci\u00f3n basado en ranuras (SBE) cuando una tabla hash en memoria se vuelca a disco."
    }
  ],
  "id": "CVE-2026-4358",
  "lastModified": "2026-04-02T12:16:02.273",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 4.7,
        "source": "cna@mongodb.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@mongodb.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-17T20:16:15.030",
  "references": [
    {
      "source": "cna@mongodb.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://jira.mongodb.org/browse/SERVER-118849"
    }
  ],
  "sourceIdentifier": "cna@mongodb.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "cna@mongodb.com",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.