CVE-2026-18693

Name of the Vulnerable Software and Affected Versions MongoDB Server (affected versions not specified)

Description An issue in the handling of timeseries collections allows an authenticated user with write privileges to cause an internal data structure to become inconsistent via specific document insertions. A subsequent insert into the affected bucket may lead to the server accessing memory outside its intended bounds, which could result in a server crash, exposure of limited memory contents, or memory corruption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.