CVE-2026-18707
Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service.
| CWE | CWE-617 |
| Vendor | mongodb |
| Product | mongodb server |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
MongoDB / MongoDB Server
8.3.0 < 8.3.8