CVE-2026-120823 · Infrastructure
NO FIX YET
A missing authorization check in MongoDB Server's aggregation framework lets any user with valid credentials, including accounts with no roles, read deployment-wide query configuration data. An attacker gets configuration and schema information that should need a cluster-level privilege.
first public Nov 10, 2026 · 1 source
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Any deployment running MongoDB Server where users hold valid credentials can be exposed, including accounts with no assigned roles. The sources do not name affected versions. Teams that run MongoDB without shared or low-privilege accounts are less exposed.
Not affected if no-untrusted-accounts
Who cares database, mongodb, self-hosted
Unknown from the sources.
No fix yet, per the sources.
A missing authorization check in the aggregation framework of MongoDB Server may allow a user holding any valid credentials, including an account with no assigned roles, to read deployment-wide query configuration data that is otherwise restricted to a cluster-level privilege. This may result in unintended access to configuration and schema information.
This page as .md · .json · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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