CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It affects MongoDB, Java. Exploitation may require the attacker to be authenticated. It may lead to a denial-of-service condition.
CVE
CVE-2026-8336
Severity
HIGH
CVSS
7.5
EPSS
0.26%
MongoDB Java
Original NVD Description
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 a specific way, resulting in a post-authentication denial-of-service. This issue impacts MongoDB Server v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.
Related CVEs
Other vulnerabilities affecting the same vendor(s)