{"id":"CVE-2026-104004","revision":"170821b805da4794bb1d13c48036000d","records":[{"revision":"170821b805da4794bb1d13c48036000d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-104004","aliases":[],"title":"Collection validators using collation-accepting expressions can crash MongoDB Server on insert","description":"MongoDB Server's collection validation feature may not properly handle certain expressions stored in a validator. In some cases, this can cause the server process to stop running when a document is later inserted. The behavior can occur for authenticated users with write access.","state":0,"publishedAt":"2026-10-13T15:36:14.952+00:00","modifiedAt":"2026-10-15T19:14:57.446+00:00","affected":[{"ecosystem":"Vendor product","name":"MongoDB Server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"MongoDB\",\n                    \"product\": \"MongoDB Server\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"8.3.0\",\n                            \"lessThan\": \"8.3.13\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"8.0\",\n                            \"lessThan\": \"8.0.34\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"9.0\",\n                            \"lessThan\": \"9.0.4\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://jira.mongodb.org/browse/SERVER-131412"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-104004","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-104004","identifiers":["CVE-2026-104004"]},"retained":false,"historicalAffected":[]}],"coverage":[]}