Live › vulnerability › CVE-2026-120684
The legacy GridFS file code in the MongoDB C Driver can store uninitialized process memory as file content. A database user with ordinary write access to shared storage may later read that memory, which can expose sensitive data from the application's process, including credentials.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-03 19:44 UTC. All times on this page are UTC.
Applications built on the MongoDB C Driver that use legacy GridFS file handling and let users with write access to shared storage append to those files. The sources do not name affected driver versions or the fixed release. Teams not using the C driver or GridFS can skip it.
No product ranges from the sources yet.
Unknown from the sources.
No fix yet, per the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A memory-initialization flaw in the legacy GridFS file handling of the MongoDB C Driver can cause uninitialized process memory to be treated as valid file content and stored on the server. A database user holding ordinary write access to a shared storage area can arrange conditions under which an application later appends to such a file and writes that memory into records the same user is permitted to read, which may result in unintended disclosure of sensitive information from the application's process, including credentials.
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