CVE-2026-8843 — Calling createIndex with certain index types can crash mongod
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 cr…
Published: 2026-05-18 · CVSS: 7.1 · CVSS 4.0
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
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7