CVE-2026-25611

Pre-Authentication Memory Exhaustion Denial of Service in MongoDB Server

CVE-2026-25611 is fixed in MongoDB on 1 platform by MongoDB 8.2.4 (version 8.2.4), released January 15, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.7
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0086
58th percentile

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

Where it's fixed

ProductFixed inFixReleased
Windows apps
MongoDB 8.2.4 MongoDB 8.2.4 Jan 15, 2026

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.