CVE-2026-13065
Medium
Description
A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mongodb
PublishedJul 22, 2026
First seenJul 22, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- mongodb mongodb7.0.39, 8.0.28, 8.2.12, 8.3.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb mongodb | 7.0.0 ≤ v < 7.0.39, 8.0.0 ≤ v < 8.0.28, 8.2.0 ≤ v < 8.2.12, 8.3.0 ≤ v < 8.3.7 | 7.0.39, 8.0.28, 8.2.12, 8.3.7 |
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