{"id":"BIT-mongodb-2026-8843","summary":"Calling createIndex with certain index types can crash mongod","details":"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.\n\nThis 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","aliases":["CVE-2026-8843"],"modified":"2026-09-25T14:15:14.712679778Z","published":"2026-09-25T12:29:19.630Z","database_specific":{"cpes":["cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*"],"severity":"High"},"references":[{"type":"ADVISORY","url":"https://jira.mongodb.org/browse/SERVER-116327"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8843"}],"affected":[{"package":{"name":"mongodb","ecosystem":"Bitnami","purl":"pkg:bitnami/mongodb"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.0.0"},{"fixed":"7.0.32"},{"introduced":"8.0.0"},{"fixed":"8.0.21"},{"introduced":"8.2.0"},{"fixed":"8.2.6"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mongodb/BIT-mongodb-2026-8843.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}