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Description

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

PUBLISHED Reserved 2026-05-18 | Published 2026-05-18 | Updated 2026-05-19 | Assigner mongodb




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-617: Reachable Assertion

Product status

Default status
unaffected

7.0 (custom) before 7.0.32
affected

8.0 (custom) before 8.0.21
affected

8.2 (custom) before 8.2.6
affected

References

jira.mongodb.org/browse/SERVER-116327 issue-tracking

cve.org (CVE-2026-8843)

nvd.nist.gov (CVE-2026-8843)

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