CVE-2026-18692

HighCVSS 8.8/10Last modified Oct 23, 2026

Description

An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed. Subsequent operations could then result in a server crash or, potentially, execution of unintended code.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Aug 11, 2026
Last modified
Oct 23, 2026
NVD status
Analyzed

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CVE-2026-18692: High severity, CVSS 8.8 | Vulnix