UBUNTU-CVE-2026-13078

A vulnerability was discovered in MongoDB Server where the server-side MozJS scripting engine unconditionally registered a module loading hook that enables JavaScript calls to read arbitrary files from the host filesystem using the mongod process's privileges. An authenticated user could exploit...

Server crash via aggregation pipeline expression with compound wildcard index specification

The $internalIndexKey aggregation expression can be used by any authenticated user to crash a MongoDB server mongod. The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an...

CVE-2026-13065

A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort...

CVE-2026-13066 Server-Side JavaScript DBPointer BSON Serialization Memory Disclosure

Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory contents being included in data returned to the client. This constitutes an unintended information disclosure affecting deployments that use server-sid...

EUVD-2026-47787

An unauthenticated remote client can cause excessive CPU consumption on a MongoDB server by sending a specific combination of parameters to the awaitable hello command in exhaust mode. The server's handling of this combination results in a response loop that bypasses normal throttling, allowing a...

CVE-2026-13074 Awaitable Hello Command in Exhaust Mode Unthrottled Response Loop Leading to Denial of Service

An unauthenticated remote client can cause excessive CPU consumption on a MongoDB server by sending a specific combination of parameters to the awaitable hello command in exhaust mode. The server's handling of this combination results in a response loop that bypasses normal throttling, allowing a...

CVE-2026-13074

Affected software: MongoDB server. Vulnerable component: the awaitable hello command in exhaust mode. Root cause: handling of a specific parameter combination leads to a response loop that bypasses normal throttling. Impact: unauthenticated remote clients can cause excessive CPU consumption and d...

CVE-2026-13074 Awaitable Hello Command in Exhaust Mode Unthrottled Response Loop Leading to Denial of Service

An unauthenticated remote client can cause excessive CPU consumption on a MongoDB server by sending a specific combination of parameters to the awaitable hello command in exhaust mode. The server's handling of this combination results in a response loop that bypasses normal throttling, allowing a...

CVE-2026-13078 Local File Disclosure in MongoDB Server via MozJS Scripting Engine Module Loader

A vulnerability was discovered in MongoDB Server where the server-side MozJS scripting engine unconditionally registered a module loading hook that enables JavaScript calls to read arbitrary files from the host filesystem using the mongod process's privileges. An authenticated user could exploit...

CVE-2026-13078 Local File Disclosure in MongoDB Server via MozJS Scripting Engine Module Loader

A vulnerability was discovered in MongoDB Server where the server-side MozJS scripting engine unconditionally registered a module loading hook that enables JavaScript calls to read arbitrary files from the host filesystem using the mongod process's privileges. An authenticated user could exploit...

CVE-2026-13078

Summary of technical details (CVE-2026-13078) : The vulnerability affects MongoDB Server where the server-side MozJS scripting engine unconditionally registers a module loading hook. This hook allows JavaScript executed via the server to read arbitrary files from the host filesystem using the mon...

CVE-2026-13078: Missing Authorization

A vulnerability was discovered in MongoDB Server where the server-side MozJS scripting engine unconditionally registered a module loading hook that enables JavaScript calls to read arbitrary files from the host filesystem using the mongod process's privileges. An authenticated user could exploit...

PT-2026-63478

Name of the Vulnerable Software and Affected Versions MongoDB affected versions not specified Description An unauthenticated remote client can cause excessive CPU consumption on a server by sending a specific combination of parameters to the hello command in exhaust mode. The server's handling of...

PT-2026-63482

Name of the Vulnerable Software and Affected Versions MongoDB Server affected versions not specified Description The server-side MozJS scripting engine unconditionally registers a module loading hook. This allows JavaScript calls to read arbitrary files from the host filesystem using the privileg...

Vulnerabilities in MongoDB Server

MongoDB has identified several vulnerabilities in the MongoDB Server. These vulnerabilities concern various components of the MongoDB Server. One vulnerability in the logging mechanism can cause entire authentication data, including sensitive credentials, to be recorded in server logs without...

BIT-MONGODB-2026-9747 Crafted cross-shard merge aggregation crashes MongoDB Server

Adding fromRouter:true and runtimeConstants.userRoles could cause aggregations to crash mongodb server...

BIT-MONGODB-2026-9743 Aggregation sub-pipeline null dereference may allow DoS via crafted getMore

In MongoDB Server 8.0, an aggregation stage can leave its subPipeline field null during processing of certain pipelines. If a getMore is subsequently issued on the same cursor, the server may dereference this null sub-pipeline when reattaching to the operation context, accessing an invalid addres...

CVE-2026-11933 Post-authentication use-after-free in server-side JavaScript BSON-to-array conversion

A use-after-free vulnerability exists in MongoDB Server's server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript for example, via $where or $function can cause the server to access...

CVE-2026-11933: Out-of-bounds Write

A use-after-free vulnerability exists in MongoDB Server's server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript for example, via $where or $function can cause the server to access...

Linux Distros Unpatched Vulnerability : CVE-2026-9740

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in MongoDB Server's BSON validation logic allows an unauthenticated user to crash the mongod process by sending a specially crafted message. The...