MongoDB Process Kill via JS Aggregation
CVE-2026-13071 Published on July 22, 2026
Server-Side JavaScript Aggregation Expression Memory Safety Issue Leading to Process Termination
An authenticated user with read access can cause the mongod process to be terminated through certain aggregation expressions that execute server-side JavaScript. The issue involves improper memory handling during document processing.
Vulnerability Analysis
CVE-2026-13071 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 a high impact on 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-2026-13071 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-13071
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Affected Versions
MongoDB Server:- Version 7.0 and below 7.0.39 is affected.
- Version 8.0 and below 8.0.28 is affected.
- Version 8.2.0 and below 8.2.12 is affected.
- Version 8.3.0 and below 8.3.7 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.