CVE-2026-25611

Pre-Authentication Memory Exhaustion Denial of Service in MongoDB Server

Published Feb 10, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mongodb
Mongodb mongodb
Vendors & Products Mongodb
Mongodb mongodb
Type Values Removed Values Added
Description A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server.
Title Pre-Authentication Memory Exhaustion Denial of Service in MongoDB Server
Weaknesses CWE-405
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mongodb
Published
Updated
Feb 11, 2026, 3:21 PM
Reserved
Feb 3, 2026, 6:21 PM
Status
Deferred
Published
Feb 10, 2026, 6:16 PM
Modified
Jun 17, 2026, 10:24 AM