CVE-2026-82061

HIGH CVSS 4.0: 7.2 EPSS 0.53%
Updated Sep 16, 2026
MongoDB
Parameter Value
CVSS 7.2 (HIGH)
Affected Versions 8.3.0 — 8.3.9
Fixed In 8.3.9
Type CWE-416 (Use After Free)
Vendor MongoDB
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Mongodb Mongodb
cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*
8.3.0 8.3.9