CVE-2026-1849

EUVD-2026-6757
MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
mongodbmongodb
7.0.0 ≤
𝑥
< 7.0.29
mongodbmongodb
8.0.0 ≤
𝑥
< 8.0.18
mongodbmongodb
8.2.0 ≤
𝑥
< 8.2.2
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mongodb
bionic
deferred
focal
deferred
jammy
dne
noble
dne
questing
dne
trusty
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://jira.mongodb.org/browse/SERVER-102364