EUVD-2026-56904

An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a certain aggregation pipeline stage. This could result in a server crash denial of service and may potentially expose ...

CVE-2026-18688

The CVE-2026-18688 entry describes an issue in MongoDB Server's aggregation framework that allows an authenticated user to trigger an out-of-bounds memory read by supplying a specially formed numeric parameter in a specific aggregation pipeline stage. This could cause a server crash (denial of se...

CVE-2026-18695

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate unexpectedly, resulting in a denial of service...

CVE-2026-18695 Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate unexpectedly, resulting in a denial of service...

EUVD-2026-56865

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate unexpectedly, resulting in a denial of service...

CVE-2026-18695

CVE-2026-18695 affects MongoDB Server, specifically time-series collections that use a metaField. The issue occurs in how certain query predicates are processed, and an authenticated user with write access can cause the server process to terminate unexpectedly, resulting in a denial of service. T...

Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate unexpectedly, resulting in a denial of service...

CVE-2026-18687 Improper Validation in MongoDB Queryable Encryption Maintenance Operation Leads to Denial of Service and Index Corruption

MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypted field configuration before use. An authenticated user with readWrite privileges could submit a specially formed request that leads to a...

CVE-2026-18687

Summary: CVE-2026-18687 affects MongoDB Server’s Queryable Encryption maintenance operation. The issue arises because request parameters are not properly validated against the collection’s encrypted field configuration before use. What’s affected: MongoDB Server handling of Queryable Encryption m...

EUVD-2026-56864

MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypted field configuration before use. An authenticated user with readWrite privileges could submit a specially formed request that leads to a...

CVE-2026-18687

MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypted field configuration before use. An authenticated user with readWrite privileges could submit a specially formed request that leads to a...

Improper Validation in MongoDB Queryable Encryption Maintenance Operation Leads to Denial of Service and Index Corruption

MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypted field configuration before use. An authenticated user with readWrite privileges could submit a specially formed request that leads to a...

CVE-2026-18706

An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been freed. This could result in a server crash or, potentially, executi...

CVE-2026-18706 Use-After-Free in MongoDB $graphLookup Aggregation Stage Leads to Denial of Service and Potential Remote Code Execution

An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been freed. This could result in a server crash or, potentially, executi...

EUVD-2026-56863

An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been freed. This could result in a server crash or, potentially, executi...

CVE-2026-18706

Technical details for CVE-2026-18706 are not publicly available in the provided documents. Monitor for updates; no specific product version, impact, or exploit details are given here.

Use-After-Free in MongoDB $graphLookup Aggregation Stage Leads to Denial of Service and Potential Remote Code Execution

An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been freed. This could result in a server crash or, potentially, executi...

CVE-2026-18707

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service...

Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service...

CVE-2026-18707 Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service...