Improper Validation in MongoDB Server Aggregation Framework Allows Authorization Bypass and Unauthorized Collection Access with Atlas Search

A security issue in the MongoDB Server aggregation framework allows an authenticated user with limited read privileges to bypass view-level authorization checks and access data from unauthorized collections when Atlas Search features are in use. The issue stems from insufficient validation of an...

PT-2026-87166

Name of the Vulnerable Software and Affected Versions MongoDB Server affected versions not specified Description An incorrect authorization issue exists within the aggregation framework. An authenticated user with minimal privileges can craft a specially formatted aggregation request that tricks...

CVE-2026-82073: Incorrect Authorization

A security issue in the MongoDB Server aggregation framework allows an authenticated user with limited read privileges to bypass view-level authorization checks and access data from unauthorized collections when Atlas Search features are in use. The issue stems from insufficient validation of an...

CVE-2026-82074: Incorrect Authorization

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...

PT-2026-87165

Name of the Vulnerable Software and Affected Versions MongoDB Server affected versions not specified Description A security issue in the aggregation framework allows an authenticated user with limited read privileges to bypass view-level authorization checks. This occurs when Atlas Search feature...

Linux Distros Unpatched Vulnerability : CVE-2026-18704

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections...

BIT-MONGODB-2026-13076 Aggregation Framework Memory Exhaustion Leading to Process Termination

An authenticated user can cause a mongod process to be terminated by the operating system under memory pressure by performing a specific data type conversion operation within MongoDB's aggregation framework. The behavior stems from disproportionate memory consumption during this operation, and...

PT-2026-79970

An authenticated user can cause a mongod process to be terminated by the operating system under memory pressure by performing a specific data type conversion operation within MongoDB's aggregation framework. The behavior stems from disproportionate memory consumption during this operation, and...

Linux Distros Unpatched Vulnerability : CVE-2026-18697

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos router process to terminate unexpectedly by submitting...

Linux Distros Unpatched Vulnerability : CVE-2026-18688

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-18704

An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use aggregation stage being reachable by external clients without an...

CVE-2026-18697

An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos router process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the...

CVE-2026-18688

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-2026-18697

An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos router process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the...

CVE-2026-18688

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 ...

UBUNTU-CVE-2026-18688

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 ...

UBUNTU-CVE-2026-18697

An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos router process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the...

CVE-2026-18704

An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use aggregation stage being reachable by external clients without an...

UBUNTU-CVE-2026-18704

An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use aggregation stage being reachable by external clients without an...

EUVD-2026-56910

An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos router process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the...