CVE-2026-82074 HIGH

CVE-2026-82074: Incorrect Authorization in MongoDB Server Aggregation Framework Allows Unauthorized Read Access to Collection Data

Vendor Mongodb
Product MongoDB Server
Weakness CWE-863 · Incorrect authorization
Published September 8, 2026
Last update September 8, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 8, 2026 Record updated

Related vulnerabilities

04Related CVE