NetSight
high7.1

CVE-2026-18688

An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed nu…

Impact

An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a certain aggregation pipeline stage. This could result in a server crash (denial of service) and may potentially expose a limited amount of memory contents.

Affected products

VendorProductAffected versions
MongodbMongodb
from 7.0.0 before 7.0.40
from 8.0.0 before 8.0.29
from 8.2.0 through 8.2.12
from 8.3.0 before 8.3.8
Versions 9.0.0, 9.1.0

Weakness classification

References