Report: Latest: CVE-2026-8336 - Post-authentication use-after-free error in $_internalJsEmit and mapreduce commands

Report: Latest: CVE-2026-8336 - Post-authentication use-after-free error in $_internalJsEmit and mapreduce commands

CVE ID :CVE-2026-8336 Published : May 13, 2026, 12:16 a.m. | 1 hour, 7 minutes ago 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 v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2. Severity: 7.7 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
HIGH
Published
May 13, 2026
Affected Product: MongoDB