CVE-2026-120821

CVE-2026-120821CVE-2026-120821

Description

A use-after-free in the aggregation framework of MongoDB Server can occur when certain expressions are evaluated in an aggregation sub-pipeline. The condition can be caused by an authenticated user with read privileges, and may result in the server terminating unexpectedly.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Last modified2026-11-10
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.