CVE-2026-9753
High
Description
The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.
SeverityHigh
CVSS7.2
Exploit probability23. percentile0.3%
Product
Mongodb
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-1287CWE-1287
How to fix
Update
- mongodb mongodb7.0.35, 8.0.24, 8.2.10, 8.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb mongodb | v < 7.0.35, 8.0.0 ≤ v < 8.0.24, 8.2.0 ≤ v < 8.2.10, 8.3.0 ≤ v < 8.3.3 | 7.0.35, 8.0.24, 8.2.10, 8.3.3 |
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