Use-After-Free Vulnerability in MongoDB Server Products

CVE-2026-82061

What is CVE-2026-82061?

A use-after-free security vulnerability has been identified in the query execution memory tracking subsystem of MongoDB Server. This flaw can be exploited by an authenticated user with read privileges, allowing them to trigger a write operation to freed heap memory through a series of typical database commands. Such an exploit could lead to a crash of the server process or result in memory corruption, compromising the integrity and stability of the system. This issue highlights the importance of monitoring and patching database software to safeguard against potential exploitation.

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