CVE-2025-6706

Running certain aggregation operations with the SBE engine may lead to unexpected behavior on MongoDB Server

State: Published
Severity: 5.0 Medium
Published: Jun 26, 2025
Updated: Jun 26, 2025
Reserved: Jun 26, 2025

Description

An authenticated user may trigger a use after free that may result in MongoDB Server crash and other unexpected behavior, even if the user does not have authorization to shut down a server. The crash is triggered on affected versions by issuing an aggregation framework operation using a specific combination of rarely-used aggregation pipeline expressions. This issue affects MongoDB Server v6.0 version prior to 6.0.21, MongoDB Server v7.0 version prior to 7.0.17 and MongoDB Server v8.0 version prior to 8.0.4 when the SBE engine is enabled.

Scores

CVSS	Score	Vector	Source
3.1	5.0 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L	mongodb

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
MongoDB ServerMongoDB Inc	6.0 to before 6.0.21Affected 7.0 to before 7.0.17Affected 8.0 to before 8.0.4Affected

References

https://jira.mongodb.org/browse/SERVER-106746

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