CVE-2026-82067

Improper Case Sensitivity Handling in MongoDB Server Configuration Validation May Cause Authorization to Remain Disabled at Startup

State: Published
Severity: 9.2 Critical
Published: Sep 8, 2026
Updated: Sep 8, 2026
Reserved: Aug 27, 2026

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Description

Improper handling of case sensitivity in the configuration validation component of MongoDB Server may cause the authorization subsystem to remain in a default disabled state during server startup. An unauthenticated user with network access to a deployment where this condition occurs can perform arbitrary administrative operations, resulting in full impact of data confidentiality, integrity, and availability.

Scores

CVSS	Score	Vector	Source
4.0	9.2 Critical	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	mongodb
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	mongodb

Weaknesses

CWE-178 Improper Handling of Case Sensitivity

Affected Products

Product	Versions
MongoDB ServerMongoDB	8.3.0 to before 8.3.9Affected 8.0.0 to before 8.0.30Affected 7.0.0 to before 7.0.41Affected

References

https://jira.mongodb.org/browse/SERVER-131229

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