CVE-2026-82063
Medium
Description
A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during cursor cleanup, leading to a server process crash.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mongodb
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- mongodb mongodb7.0.41, 8.0.30, 8.3.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb mongodb | 7.0.0 ≤ v < 7.0.41, 8.0.0 ≤ v < 8.0.30, 8.3.0 ≤ v < 8.3.9 | 7.0.41, 8.0.30, 8.3.9 |
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