CVE-2026-82061
Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service
- State
- Published
- Severity
- 7.2 High
- Published
- Sep 8, 2026
- Updated
- Sep 8, 2026
- Reserved
- Aug 27, 2026
Description
A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.2 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N | mongodb |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H | mongodb |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
MongoDB ServerMongoDB |
|
References
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