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
| Vendor | Product | Affected versions |
|---|---|---|
| Mongodb | Mongodb | from 7.0.0 before 7.0.29 from 8.0.0 before 8.0.18 from 8.2.0 before 8.2.2 |