{"id":"CVE-2026-18688","aliases":["BIT-mongodb-2026-18688","EUVD-2026-56904","GHSA-rf6p-955q-5j7w","UBUNTU-CVE-2026-18688"],"status":"published","title":"Out-of-Bounds Read in MongoDB Aggregation Framework Leads to Denial of Service and Potential Memory Disclosure","description":"An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a certain aggregation pipeline stage. 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This could result in a server crash (denial of service) and may potentially expose a limited amount of memory contents.","status":"published","published":"2026-09-17T11:49:47.647Z","modified":"2026-10-01T10:00:12.089852739Z","updated_at":"2026-11-02T15:28:33.469426Z"}]}}