CVE-2026-18698

EUVD-2026-56882
An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that should require more specific privileges. This could result in exposure of collection metadata and, on certain deployment configurations, unauthorized modification of system collection data.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 12.97%
Affected Products (NVD)
VendorProductVersion
mongodbmongodb
7.0.0 ≤
𝑥
< 7.0.40
mongodbmongodb
8.0.0 ≤
𝑥
< 8.0.29
mongodbmongodb
8.2.0 ≤
𝑥
≤ 8.2.12
mongodbmongodb
8.3.0 ≤
𝑥
< 8.3.8
mongodbmongodb
9.0.0:alpha0
mongodbmongodb
9.0.0:alpha1
mongodbmongodb
9.1.0:alpha0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mongodb
bionic
needs-triage
focal
needs-triage
jammy
dne
noble
dne
resolute
dne
trusty
needs-triage
xenial
needs-triage