A vulnerability was found in MongoDB Server up to 7.0.31/8.0.20/8.2.5 . It has been classified as problematic . Affected is an unknown function of the component 2dsphere_bucket Index Handler . This manipulation causes reachable assertion. This vulnerability is registered as CVE-2026-8843 . Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.