BaselineWatch
Desk

CVE-2026-18688

7.1 high SSVC exploitation: none Analyzed

An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a certain aggregation pipeline stage. This could result in a server crash (denial of service) and may potentially expose a limited amount of memory contents.

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 7.1 · mongodbNVD modified 2026-10-23 21:10

Affected (CPE criteria) 4

  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
  • cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:*:*:-:-:*:*
  • cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:*:*:-:-:*:*
  • cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:*:*:-:-:*:*

References 1