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CVE-2026-18687

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

MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypted field configuration before use. An authenticated user with readWrite privileges could submit a specially formed request that leads to a server crash or excessive internal writes, resulting in resource exhaustion and corruption of encrypted index data.

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