Allocation of Resources Without Limits or Throttling in MongoDB Server - CVE-2026-13074
Published: August 18, 2026
Vulnerability identifier: #VU144109
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-13074
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the awaitable hello command in exhaust mode when handling a specific combination of parameters. A remote attacker can send crafted command parameters to cause a denial of service.
A small number of connections can degrade server availability by triggering excessive CPU consumption.
Affected software
MongoDB Server
How to mitigate CVE-2026-13074
Install security update from vendor's website.
MongoDB Server - addressed in versions 7.0.39, 8.0.28, 8.2.12, 8.3.7