CVE-2026-104004CWE-476

CVE-2026-104004

Medium · published October 13, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
13.6
In the wild
Unconfirmed
What it is

MongoDB Server's collection validation feature may not properly handle certain expressions stored in a validator. In some cases, this can cause the server process to stop running when a document is later inserted. The behavior can occur for authenticated users with write access.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · 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
0.00235 · 13.6th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-10-13T20:17Z
References (1)
https://jira.mongodb.org/browse/SERVER-131412 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 13 OCT 15:36Z
    Collection validators using collation-accepting expressions can crash MongoDB Server on insert
    cvelistv5
  • 13 OCT 15:36Z
    Collection validators using collation-accepting expressions can crash MongoDB Server on insert
    cvelistv5