Vulnerability · Published Feb 10, 2026 · Assigned by mongodb

CVE-2026-1848Connections received from the proxy port may not count towards total accepted connections

High 7.5

In plain English

A high-severity resource allocation without limits in MongoDB Server from MongoDB Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Connections received from the proxy port may not count towards total accepted connections, resulting in server crashes if the total number of connections exceeds available resources. This only applies to connections accepted from the proxy port, pending the proxy protocol header.

Affected products (as reported)

VendorProductVersions
MongoDB Inc MongoDB Server 8.2 – before 8.2.48.0 – before 8.0.187.0 – before 7.0.29

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References