CVE-2026-1849

Source
https://cve.org/CVERecord?id=CVE-2026-1849
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1849.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-1849
Aliases
Downstream
Published
2026-02-10T19:15:51.477Z
Modified
2026-03-02T08:09:27.268098Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.

References

Affected packages

Git / github.com/mongodb/mongo

Affected versions

r7.*
r7.0.0
r7.0.1
r7.0.1-rc0
r7.0.10
r7.0.10-rc0
r7.0.11
r7.0.11-rc0
r7.0.11-rc1
r7.0.11-rc2
r7.0.12
r7.0.12-rc0
r7.0.12-rc1
r7.0.13
r7.0.13-rc0
r7.0.13-rc1
r7.0.14
r7.0.14-rc0
r7.0.15
r7.0.15-rc0
r7.0.15-rc1
r7.0.16
r7.0.16-rc0
r7.0.16-rc1
r7.0.17
r7.0.18
r7.0.2
r7.0.2-rc0
r7.0.2-rc1
r7.0.2-rc2
r7.0.21
r7.0.21-alpha0
r7.0.21-rc0
r7.0.22
r7.0.22-rc0
r7.0.23
r7.0.23-rc0
r7.0.23-rc1
r7.0.24
r7.0.24-rc0
r7.0.25-alpha0
r7.0.26
r7.0.26-rc0
r7.0.27-alpha0
r7.0.28
r7.0.3
r7.0.3-rc0
r7.0.3-rc1
r7.0.4
r7.0.4-rc0
r7.0.5
r7.0.5-rc0
r7.0.6
r7.0.6-rc0
r7.0.7
r7.0.7-rc0
r7.0.7-rc1
r7.0.7-rc2
r7.0.8
r7.0.8-rc0
r7.0.9
r7.0.9-rc0
r7.0.9-rc1
r8.*
r8.0.0
r8.0.1
r8.0.1-rc0
r8.0.10
r8.0.10-rc0
r8.0.12
r8.0.12-rc0
r8.0.13
r8.0.13-rc0
r8.0.13-rc1
r8.0.13-rc2
r8.0.14
r8.0.14-rc0
r8.0.14-rc1
r8.0.16
r8.0.16-rc0
r8.0.16-rc1
r8.0.17
r8.0.17-alpha0
r8.0.2
r8.0.3
r8.0.4
r8.0.4-rc0
r8.0.5
r8.0.5-rc0
r8.0.5-rc1
r8.0.5-rc2
r8.0.6
r8.2.0
r8.2.1
r8.2.1-rc0
r8.2.1-rc1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1849.json"
vanir_signatures
[
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "11272611040114298527385613556453291829",
                "175117650864466198429070599697755025763",
                "259372737161260841017051100781998432651",
                "190191220307360414594805946771026217001",
                "29054105381567763046288516247318577171",
                "80859590129831648960865656848228415255",
                "259393610319526121774434945054847506142"
            ]
        },
        "source": "https://github.com/mongodb/mongo/commit/b409fb494004bf0f7284059b806b3b751a2ec5d9",
        "signature_type": "Line",
        "id": "CVE-2026-1849-b3f79aa4",
        "target": {
            "file": "src/mongo/db/service_entry_point_common.cpp"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "59615453827642453525115701432201606392",
            "length": 9728.0
        },
        "source": "https://github.com/mongodb/mongo/commit/b409fb494004bf0f7284059b806b3b751a2ec5d9",
        "signature_type": "Function",
        "id": "CVE-2026-1849-b50a3bee",
        "target": {
            "file": "src/mongo/db/service_entry_point_common.cpp",
            "function": "ExecCommandDatabase::_initiateCommand"
        }
    }
]