CVE-2026-82074

Incorrect Authorization in MongoDB Server Aggregation Framework Allows Unauthorized Read Access to Collection Data

State
Published
Severity
7.1 High
Published
Sep 8, 2026
Updated
Sep 8, 2026
Reserved
Aug 27, 2026

Read the record on cve.org

Description

MongoDB Server contains an incorrect authorization vulnerability in the aggregation framework. An authenticated user with minimal privileges can craft a specially formatted aggregation request that causes the server's authorization subsystem to evaluate a different operation than what is actually executed, resulting in unauthorized read access to collection data within the target database.

Scores

CVSSScoreVectorSource
4.07.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:Nmongodb
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nmongodb

Weaknesses

Affected Products

ProductVersions
MongoDB ServerMongoDB
  • 8.0.0 to before 8.0.30Affected
  • 7.0.0 to before 7.0.41Affected

References

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