CVE-2026-82061
High
Description
A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.
SeverityHigh
CVSS7.2
Exploit probability45. percentile0.5%
Product
Mongodb
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- mongodb mongodb8.3.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb mongodb | 8.3.0 ≤ v < 8.3.9 | 8.3.9 |
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