An incorrect authorization check in the MongoDB Server authorization subsystem may allow an unauthenticated party with local host access to obtain administrative privileges on a database server that has authorization enabled. This may result in unintended access to stored data and credentials, unintended modification of data, and loss of availability of the server.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
MongoDB MongoDB Server unaffected
Version Status Constraints
9.0.0 affected < 9.0.7
8.3.0 affected < 8.3.16
8.0.0 affected < 8.0.37
7.0.0 affected < 7.0.48

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jira.mongodb.org/browse/SERVER-134872 cve-icon cve-icon
History

Tue, 10 Nov 2026 20:15:00 +0000

Type Values Removed Values Added
Description An incorrect authorization check in the MongoDB Server authorization subsystem may allow an unauthenticated party with local host access to obtain administrative privileges on a database server that has authorization enabled. This may result in unintended access to stored data and credentials, unintended modification of data, and loss of availability of the server.
Title Incorrect Authorization Check in MongoDB Server Localhost Exception Leads to Unauthorized Administrative Access
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-11-10T20:13:00.772Z

Reserved: 2026-11-02T22:54:28.946Z

Link: CVE-2026-120815

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T20:18:52.193

Modified: 2026-11-10T22:08:59.707

Link: CVE-2026-120815

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses