CVE-2026-1847

State: PUBLISHED · Published: 2026-02-10 · Updated: 2026-02-10 · Assigner: mongodb

Description

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.

CWE

CWE-770 — CWE-770 Allocation of Resources Without Limits or Throttling

Affected

MongoDB Inc / MongoDB Server — v=8.0 <8.0.18 [affected]; v=7.0 <7.0.29 [affected]

CVSS

4.0 score=7.1 severity=HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
3.1 score=6.5 severity=MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

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

Source

cvelistV5-main/cves/2026/1xxx/CVE-2026-1847.json