{"id":"CVE-2026-13073","summary":"MongoDB Aggregation Command Invariant Assertion Failure Leading to Process Termination","details":"An authenticated user with read-only privileges can cause the mongod process to terminate abnormally by issuing a crafted aggregation command, resulting in denial of service for all connected clients until the process is restarted. The issue stems from an internal engine selection inconsistency triggered by a specific combination of aggregation options.","aliases":["BIT-mongodb-2026-13073"],"modified":"2026-08-20T03:53:59.626400528Z","published":"2026-07-22T19:13:55.339Z","database_specific":{"cna_assigner":"mongodb","cwe_ids":["CWE-617"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13073.json","unresolved_ranges":[{"extracted_events":[{"introduced":"8.0"},{"fixed":"8.0.28"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://jira.mongodb.org/browse/SERVER-128512"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13073.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13073"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mongodb/mongo","events":[{"introduced":"b41cda4fe697dce6fd9b83b3805362ccc02fbeb3"},{"fixed":"dc5344b376fdfab0fe5b2982f125c056ab0abcd8"}],"database_specific":{"cpe":"cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.0.28"}],"source":"CPE_RANGE"}}],"versions":["r8.0.24","r8.0.17-alpha0","r8.0.16-rc1","r8.0.16","r8.0.16-rc0","r8.0.14-rc1","r8.0.14","r8.0.14-rc0","r8.0.13-rc2","r8.0.13","r8.0.13-rc1","r8.0.13-rc0","r8.0.12-rc0","r8.0.12","r8.0.10-rc0","r8.0.10","r8.0.6","r8.0.5-rc2","r8.0.5","r8.0.5-rc1","r8.0.5-rc0","r8.0.4-rc0","r8.0.4","r8.0.3","r8.0.2","r8.0.1-rc0","r8.0.1","r8.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13073.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}