CVE-2026-25611 HIGH

CVE-2026-25611: Pre-Authentication Memory Exhaustion Denial of Service in MongoDB Server

Vendor Mongodb Inc
Product MongoDB Server
Weakness CWE-405
Published February 10, 2026
Last update February 11, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
February 11, 2026 Record updated