CVE-2026-13060

$graphLookup Aggregation Stage Authorization Check Inconsistency Allowing Unauthorized Collection Access

State: Published
Severity: 7.1 High
Published: Jul 22, 2026
Updated: Sep 17, 2026
Reserved: Jun 23, 2026

Description

An authenticated user with limited read privileges may be able to access documents from collections they are not authorized to read, due to an inconsistency in how the $graphLookup aggregation stage is evaluated during authorization and during execution. Affected scenarios involve collections referenced within existing view pipeline definitions.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	mongodb
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	mongodb

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
MongoDB ServerMongoDB	7.0 to before 7.0.39Affected 8.0 to before 8.0.28Affected 8.2.0 to before 8.2.12Affected 8.3.0 to before 8.3.7Affected

References

https://jira.mongodb.org/browse/SERVER-127357

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