CVE-2026-18698

CVE-2026-18698 affects MongoDB Server. An authenticated user with a limited database-scoped role may perform actions against protected system collections, potentially exposing collection metadata and, on some deployments, unauthorized modification of system collection data via the validate comman...

CVE-2026-18698 Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections via the validate Command

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that should require more specific privileges. This could result in exposure of collection metadata and, on certain deployment configurations,...

Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections via the validate Command

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that should require more specific privileges. This could result in exposure of collection metadata and, on certain deployment configurations,...

CVE-2026-18690

Technical details are not publicly available in the provided documents. Monitor for updates.

CVE-2026-18690 Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper...

EUVD-2026-56881

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper...

Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper...

CVE-2026-18690

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper...

CVE-2026-18702

Summary: MongoDB Server contains a flaw where an authenticated user with limited, database-scoped privileges can modify diagnostic logging settings that affect the entire server, potentially suppressing monitoring or causing excessive logs. Affected component: diagnostic logging/profile command. ...

Improper Authorization in MongoDB profile Command Allows Unauthorized Modification of Server-Wide Diagnostic Settings

An issue in MongoDB Server could allow an authenticated user with limited, database-scoped privileges to modify diagnostic logging settings that affect the entire server rather than just the intended database. This could allow suppression of diagnostic logging server-wide, potentially obscuring...

CVE-2026-18702 Improper Authorization in MongoDB profile Command Allows Unauthorized Modification of Server-Wide Diagnostic Settings

An issue in MongoDB Server could allow an authenticated user with limited, database-scoped privileges to modify diagnostic logging settings that affect the entire server rather than just the intended database. This could allow suppression of diagnostic logging server-wide, potentially obscuring...

EUVD-2026-56914

An issue in MongoDB Server's applyOps command could allow an authenticated user with specific non-default privileges to perform certain data-definition operations, such as dropping or modifying collections, against collections they do not have permission to manipulate. This is due to an...

CVE-2026-18696

Technical details are not publicly available in the provided documents. Monitor for updates.

CVE-2026-18696 Improper Authorization in MongoDB applyOps Command Handling Allows Unauthorized DDL Operations on Collections

An issue in MongoDB Server's applyOps command could allow an authenticated user with specific non-default privileges to perform certain data-definition operations, such as dropping or modifying collections, against collections they do not have permission to manipulate. This is due to an...

CVE-2026-18696

An issue in MongoDB Server's applyOps command could allow an authenticated user with specific non-default privileges to perform certain data-definition operations, such as dropping or modifying collections, against collections they do not have permission to manipulate. This is due to an...

Improper Authorization in MongoDB applyOps Command Handling Allows Unauthorized DDL Operations on Collections

An issue in MongoDB Server's applyOps command could allow an authenticated user with specific non-default privileges to perform certain data-definition operations, such as dropping or modifying collections, against collections they do not have permission to manipulate. This is due to an...

Improper Authorization in MongoDB Atlas Vector Search Allows Unauthorized Access to Protected View Data

An issue in MongoDB Server's Atlas Vector Search feature could allow an authenticated user with read access to one view to retrieve documents from a different, protected view over the same underlying collection. This is due to insufficient handling of certain user-supplied fields when constructin...

CVE-2026-18705 Improper Authorization in MongoDB Atlas Vector Search Allows Unauthorized Access to Protected View Data

An issue in MongoDB Server's Atlas Vector Search feature could allow an authenticated user with read access to one view to retrieve documents from a different, protected view over the same underlying collection. This is due to insufficient handling of certain user-supplied fields when constructin...

CVE-2026-18705

Summary: CVE-2026-18705 affects MongoDB Server’s Atlas Vector Search feature. An authenticated user with read access to one view can retrieve documents from a different, protected view on the same underlying collection. Root cause (as stated): Insufficient handling of certain user-supplied fields...

CVE-2026-18704

Summary: CVE-2026-18704 affects MongoDB Server's aggregation framework. Affected component is an internal-use aggregation stage that is reachable by external clients without proper authorization checks on its embedded operations. This could allow an authenticated user with only read privileges to...