CVE-2026-18700

Summary

An issue in MongoDB Server's geospatial validation could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed, through concurrent operations against a collection using a certain type of validator. This could result in a server crash, leading to a denial of service.

Affected Software

VendorProductVersion RangeStatus
MongoDBMongoDB Server8.3.0 < 8.3.8affected
MongoDBMongoDB Server8.0 < 8.0.29affected
MongoDBMongoDB Server7.0 < 7.0.40affected

Weaknesses

  • CWE-416: CWE-416: Use After Free

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References