CVE-2026-82061 is a vulnerability in MongoDB
Published on September 8, 2026
Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service
A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.
Vulnerability Analysis
CVE-2026-82061 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-82061 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-82061
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Affected Versions
MongoDB Server:- Version 8.3.0 and below 8.3.9 is affected.