CVE-2026-1847 — MongoDB Server may crash when inserting large documents

CVE-2026-1847

MongoDB Server may crash when inserting large documents PUBLISHED

Description (CNA)

Inserting certain large documents into a replica set could lead to replica set secondaries not being able to fetch the oplog from the primary. This could stall replication inside the replica set leading to server crash.

Affected (CNA)

Vendor / product	Versions
MongoDB Inc / MongoDB Server	affected 8.0 before 8.0.18; affected 7.0 before 7.0.29

CWE

CWE-770

References

https://jira.mongodb.org/browse/SERVER-113532

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.