NetSight
medium6.5

CVE-2026-1849

MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents.

Impact

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.

Affected products

VendorProductAffected versions
MongodbMongodb
from 7.0.0 before 7.0.29
from 8.0.0 before 8.0.18
from 8.2.0 before 8.2.2

Weakness classification

References