CVE-2026-9752
Medium
Description
An authorized user could trigger a server crash by running a query with a 2dsphere index on a field that stores a GeoJSON GeometryCollection containing a Polygon with a strict-winding CRS. Strict-winding polygons are intentionally unsupported for indexing, but the guard that rejects them does not inspect members of a GeometryCollection, allowing the unsafe path to be reached which ends with an ensuing null-pointer dereference.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mongodb
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-476NULL pointer dereference
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 | 7.0.0 ≤ 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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