CVE-2026-82063
Use-After-Free in MongoDB Server Cursor Management Component Leads to Denial of Service
- State
- Published
- Severity
- 6.0 Medium
- Published
- Sep 8, 2026
- Updated
- Sep 8, 2026
- Reserved
- Aug 27, 2026
Description
A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during cursor cleanup, leading to a server process crash.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | mongodb |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | mongodb |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
MongoDB ServerMongoDB |
|
References
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