CVE-2026-9750 — Metadata name collision on $-prefixed fields causes post-auth server crash

CVE-2026-9750

Metadata name collision on $-prefixed fields causes post-auth server crash PUBLISHED

Description (CNA)

An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain execution paths.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 8.3.0 before 8.3.3; affected 8.2.0 before 8.2.10; affected 8.0.0 before 8.0.24; affected 7.0.0 before 7.0.35

CWE

CWE-617

References

https://jira.mongodb.org/browse/SERVER-123633

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.