CVE-2026-4358
Memory safety issues in slot-based execution hash table spill
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.
| CWE | CWE-415 |
| Vendor | mongodb inc |
| Product | mongodb server |
| Published | Mar 17, 2026 |
| Last Updated | Mar 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Affected Versions
MongoDB Inc / MongoDB Server
8.2 < 8.2.6 8.0 < 8.0.20 7.0 < 7.0.31