CVE-2026-1847CWE-770

MongoDB Server may crash when inserting large documents

High · published February 10, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
19.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
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
EPSS
0.00282 · 19.6th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-02-10T18:16Z
EPSS history
Timeline
  • 10 FEB 18:16Z
    MongoDB Server may crash when inserting large documents
    cvelistv5