Advisoriesby IbisMongoDBCVE-2026-13074
MongoDB Server: resource exhaustion
Fix: upgrade to 7.0.39 or later (4 fixed versions below)
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| MongoDB Server Product | >= 7.0, < 7.0.39 | 7.0.39 |
| >= 8.0, < 8.0.28 | 8.0.28 | |
| >= 8.2.0, < 8.2.12 | 8.2.12 | |
| >= 8.3.0, < 8.3.7 | 8.3.7 |
Details and references
- CVSS 4.0
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-770