CVE-2026-13055

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...

EUVD-2026-47780

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-2026-13070

A MongoDB server initiating an outbound TLS connection may terminate abnormally when processing a malformed OCSP response from a remote peer during the TLS handshake. OCSP stapling validation is enabled by default for outgoing TLS connections. Affected scenarios require the remote peer to hold a...

CVE-2026-9750

An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain...

EUVD-2026-35863

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

UBUNTU-CVE-2026-9750

An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain...

CVE-2026-9750 Metadata name collision on $-prefixed fields causes post-auth server crash

An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain...

CVE-2026-9750

CVE-2026-9750 affects MongoDB: an authenticated user can cause a server crash or incorrect query results by crafting documents that clash with internal metadata during query execution. The root cause is insufficient separation between user-controlled document fields and internal metadata in certa...

CVE-2026-9750 Metadata name collision on $-prefixed fields causes post-auth server crash

An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain...

Metadata name collision on $-prefixed fields causes post-auth server crash

An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain...

CVE-2026-9747

The vulnerability CVE-2026-9747 affects MongoDB Server’s cross-shard merge aggregation. When building aggregations, using fromRouter:true with runtimeConstants.userRoles may cause the server to crash. The connected documentation confirms the issue but provides no details on mitigations; exploitat...

Crafted cross-shard merge aggregation crashes MongoDB Server

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

PT-2026-48300

Name of the Vulnerable Software and Affected Versions MongoDB affected versions not specified Description An authenticated user can cause a server crash or the return of incorrect results by creating documents that interfere with internal metadata processing during query execution. This issue is...

CVE-2026-8336 Post-authentication use-after-free error in $_internalJsEmit and mapreduce commands

After invoking $internalJsEmit, which is not intended to be directly accessible, or mapreduce command’s map function in a certain way, an authenticated user can subsequently crash mongod when the server-side JavaScript engine through $where, $function, mapreduce reduce stage, etc. is used also in...

Linux Distros Unpatched Vulnerability : CVE-2026-25611

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server. CVE-2026-25611 Note that Nessus relies on th...

CVE-2026-25611

A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server...

UBUNTU-CVE-2026-25611

A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server...

PT-2026-7415

Name of the Vulnerable Software and Affected Versions MongoDB versions 3.4 and later Description A flaw in MongoDB’s OP COMPRESSED handling allows unauthenticated attackers to crash servers with minimal traffic. The issue arises because MongoDB allocates approximately 48MB of memory per connectio...

CVE-2025-11979

An authorized user may crash the MongoDB server by causing buffer over-read. This can be done by issuing a DDL operation while queries are being issued, under some conditions. This issue affects MongoDB Server v7.0 versions prior to 7.0.25, MongoDB Server v8.0 versions prior to 8.0.15, and MongoD...

FreeBSD : mongodb -- Malformed $group Query May Cause MongoDB Server to Crash (a5395e02-a2ca-11f0-8402-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the a5395e02-a2ca-11f0-8402-b42e991fc52e advisory. [email protected] reports: An authorized user can cause a crash in the MongoDB Server through a specially...