CVE-2026-18711

Summary

An issue in MongoDB Server's query execution engine could allow an authenticated user with read and write privileges to cause an internal reference to be used after the underlying memory has been freed, when running certain queries against time-series collections. This could result in a server crash or disclosure of freed memory contents within query results.

Affected Software

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

Weaknesses

  • CWE-416: CWE-416: Use After Free

ADP Enrichment

CISA ADP Vulnrichment

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

References