AUGUST 15, 2026
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Case File

CVE-2026-18693

HIGH · CVSS 7.6 EPSS 0.23%

Source: NVD + CISA KEV + EPSS · Published 2026-08-11 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

MongoDB Server is vulnerable due to improper handling of timeseries collections, allowing authenticated users with write privileges to manipulate internal data structures through specific document insertions. This can lead to server crashes, denial of service, or potential exposure of sensitive memory contents. Organizations using MongoDB, particularly those with user write access to timeseries collections, should prioritize addressing this vulnerability to mitigate risks of service disruption and data exposure.

CVE
CVE-2026-18693
Severity
HIGH
CVSS
7.6
EPSS
0.23%
MongoDB

Original NVD Description

An issue in MongoDB Server's handling of timeseries collections could allow an authenticated user with write privileges to cause an internal data structure to become inconsistent through certain document insertions. A subsequent insert into the affected bucket could then result in the server accessing memory outside its intended bounds, potentially causing a server crash (denial of service), exposure of limited memory contents, or memory corruption.