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CVE-2026-8336

7.7 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.7 · mongodbNVD modified 2026-10-26 18:10

Affected (CPE criteria) 1

  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*

References 1