{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-9743/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-10T13:50:48.290Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-9743","@id":"https://www.cve.org/CVERecord?id=CVE-2026-9743","description":"In MongoDB Server 8.0, an aggregation stage can leave its _subPipeline field null during processing of certain pipelines. If a getMore is subsequently issued on the same cursor, the server may dereference this null sub-pipeline when reattaching to the operation context, accessing an invalid address and crashing the process. This issue allows an authenticated user who can run aggregation pipelines to cause a denial of service by issuing a specially crafted aggregation followed by getMore on affec"},"products":[{"@id":"cpe:2.3:a:mongodb:mongodb_server:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:mongodb:mongodb_server:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 8.0.24.","timestamp":"2026-06-10T13:50:48.290Z"}]}