CVE-2026-13074 — Awaitable Hello Command in Exhaust Mode Unthrottled Response Loop Leading to Denial of Service

CVE-2026-13074

Awaitable Hello Command in Exhaust Mode Unthrottled Response Loop Leading to Denial of Service PUBLISHED

Description (CNA)

An unauthenticated remote client can cause excessive CPU consumption on a MongoDB server by sending a specific combination of parameters to the awaitable hello command in exhaust mode. The server's handling of this combination results in a response loop that bypasses normal throttling, allowing a small number of connections to degrade server availability.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 7.0 before 7.0.39; affected 8.0 before 8.0.28; affected 8.2.0 before 8.2.12; affected 8.3.0 before 8.3.7

CWE

CWE-770

References

https://jira.mongodb.org/browse/SERVER-128517

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.