Linux Distros Unpatched Vulnerability : CVE-2026-9748

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The $internalConvertBucketIndexStats stage used PauseExecution as a way to signal skip this document when an index stats conversion failed. But PauseExecution i...

CVE-2026-9748

The $internalConvertBucketIndexStats stage used PauseExecution as a way to signal "skip this document" when an index stats conversion failed. But PauseExecution is not a general purpose skip mechanism, but rather a TeeBuffer-internal signal used solely by $facet to coordinate its sub-pipelines...

CVE-2026-9748

The $internalConvertBucketIndexStats stage used PauseExecution as a way to signal "skip this document" when an index stats conversion failed. But PauseExecution is not a general purpose skip mechanism, but rather a TeeBuffer-internal signal used solely by $facet to coordinate its sub-pipelines...

UBUNTU-CVE-2026-9748

The $internalConvertBucketIndexStats stage used PauseExecution as a way to signal "skip this document" when an index stats conversion failed. But PauseExecution is not a general purpose skip mechanism, but rather a TeeBuffer-internal signal used solely by $facet to coordinate its sub-pipelines...

Unbounded recursion in BSONColumn interleaved-reference causes pre-auth stack overflow

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 BSON validator's handling of certain nested binary data structures permits uncontrolled mutual recursion between validation functions,...

CVE-2026-9748 $_internalConvertBucketIndexStats may crash the mongod server when working on no timeseries input

The $internalConvertBucketIndexStats stage used PauseExecution as a way to signal "skip this document" when an index stats conversion failed. But PauseExecution is not a general purpose skip mechanism, but rather a TeeBuffer-internal signal used solely by $facet to coordinate its sub-pipelines...

CVE-2026-9748

The CVE-2026-9748 issue affects MongoDB’s mongod when the $_internalConvertBucketIndexStats stage is used before $facet. It treats PauseExecution as an internal TeeBuffer signal rather than a general skip, causing an invariant assertion and a crash when processing no timeseries input. The descrip...

CVE-2026-9748 $_internalConvertBucketIndexStats may crash the mongod server when working on no timeseries input

The $internalConvertBucketIndexStats stage used PauseExecution as a way to signal "skip this document" when an index stats conversion failed. But PauseExecution is not a general purpose skip mechanism, but rather a TeeBuffer-internal signal used solely by $facet to coordinate its sub-pipelines...

PT-2026-48294

Name of the Vulnerable Software and Affected Versions MongoDB affected versions not specified Description A denial of service occurs when the $ internalConvertBucketIndexStats stage uses PauseExecution to signal that a document should be skipped following a failed index stats conversion...

BIT-MONGODB-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...

CVE-2026-8843 Calling createIndex with certain index types can crash mongod

Creating a "2dspherebucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryableencryptedrange" indices. This issue affects MongoDB Server...

CVE-2026-8843

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

CVE-2026-8843 Calling createIndex with certain index types can crash mongod

Creating a "2dspherebucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryableencryptedrange" indices. This issue affects MongoDB Server...

CVE-2026-8336

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...

EUVD-2026-29893

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...

CVE-2026-8336

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...

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...

CVE-2026-8336

CVE-2026-8336 describes a post-authentication use-after-free in MongoDB Server related to $_internalJsEmit and mapreduce map function usage. According to the provided documents, when an authenticated user invokes these elements (with server-side JavaScript engine features such as $where, $functio...

CVE-2026-8336

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-2026-8063

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An authenticated user can crash mongod when running $rankFusion or $scoreFusion with an empty pipeline on a view. When resolving a view, the server inspects the...