CVE-2026-8843
Calling createIndex with certain index types can crash mongod
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
Creating a "2dsphere_bucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryable_encrypted_range" indices. This issue affects MongoDB Server v7.0 versions prior to 7.0.32, v8.0 versions prior to 8.0.21 and v8.2 versions prior to 8.2.6
| CWE | CWE-617 |
| Vendor | mongodb, inc. |
| Product | mongodb server |
| Published | May 18, 2026 |
| Last Updated | May 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
MongoDB, Inc. / MongoDB Server
7.0 < 7.0.32 8.0 < 8.0.21 8.2 < 8.2.6