Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-05-14 08:50

Modified

2026-05-14 09:12

Summary

Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Encrypted Fields

Details

This issue impacts MongoDB Server’s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "mongodb",
        "purl": "pkg:bitnami/mongodb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0"
            },
            {
              "fixed": "7.0.34"
            },
            {
              "introduced": "8.0.0"
            },
            {
              "fixed": "8.0.23"
            },
            {
              "introduced": "8.2.0"
            },
            {
              "fixed": "8.2.9"
            },
            {
              "introduced": "8.3.0"
            },
            {
              "fixed": "8.3.2"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/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",
          "type": "CVSS_V4"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-8201"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "A use-after-free vulnerability exists in MongoDB\u0027s Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering this vulnerability requires control over the structure of a client\u0027s FLE-related query.\n\nThis issue impacts MongoDB Server\u2019s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.",
  "id": "BIT-mongodb-2026-8201",
  "modified": "2026-05-14T09:12:37.036Z",
  "published": "2026-05-14T08:50:16.931Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://jira.mongodb.org/browse/SERVER-122032"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8201"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Encrypted Fields"
}

CVE-2026-8201 (GCVE-0-2026-8201)

Vulnerability from cvelistv5 – Published: 2026-05-13 00:12 – Updated: 2026-05-13 14:34

Title

Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Encrypted Fields

Summary

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering this vulnerability requires control over the structure of a client's FLE-related query. This issue impacts MongoDB Server’s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

Severity ?

6.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/SI:N/SA:N

6.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

CWE

CWE-416 - Use After Free

Assigner

mongodb

References

1 reference

URL	Tags
https://jira.mongodb.org/browse/SERVER-122032	issue-tracking

Impacted products

1 product

Vendor	Product	Version
MongoDB, Inc.	MongoDB Server	Affected: 7.0 , < 7.0.34 (custom) Affected: 8.0 , < 8.0.23 (custom) Affected: 8.2 , < 8.2.9 (custom) Affected: 8.3 , < 8.3.2 (custom)

Show details on NVD website

JSON

To clipboard

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  "containers": {
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-8201",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-13T14:34:19.684867Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-13T14:34:27.091Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MongoDB Server",
          "vendor": "MongoDB, Inc.",
          "versions": [
            {
              "lessThan": "7.0.34",
              "status": "affected",
              "version": "7.0",
              "versionType": "custom"
            },
            {
              "lessThan": "8.0.23",
              "status": "affected",
              "version": "8.0",
              "versionType": "custom"
            },
            {
              "lessThan": "8.2.9",
              "status": "affected",
              "version": "8.2",
              "versionType": "custom"
            },
            {
              "lessThan": "8.3.2",
              "status": "affected",
              "version": "8.3",
              "versionType": "custom"
            }
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        }
      ],
      "descriptions": [
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          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "A use-after-free vulnerability exists in MongoDB\u0027s Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering this vulnerability requires control over the structure of a client\u0027s FLE-related query.\u003cbr\u003e\u003cbr\u003eThis issue impacts MongoDB Server\u2019s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e"
            }
          ],
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      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
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            "attackVector": "NETWORK",
            "baseScore": 6.1,
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            "subConfidentialityImpact": "LOW",
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2026-05-13T00:12:35.299Z",
        "orgId": "a39b4221-9bd0-4244-95fc-f3e2e07f1deb",
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    "datePublished": "2026-05-13T00:12:35.299Z",
    "dateReserved": "2026-05-08T23:42:58.650Z",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2026-8201 (GCVE-0-2026-8201)

Tags

Sightings

Nomenclature