CVE-2026-13065
MongoDB $linearFill Window Function Improper Input Validation Leading to Process Termination
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution.
| CWE | CWE-476 |
| Vendor | mongodb |
| Product | mongodb server |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 22, 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:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
MongoDB / MongoDB Server
7.0 < 7.0.39 8.0 < 8.0.28 8.2.0 < 8.2.12 8.3.0 < 8.3.7