CVE-2026-18699

MEDIUM CVSS 4.0: 6.0 EPSS 0.29%
Updated Aug 12, 2026
MongoDB
Parameter Value
CVSS 6.0 (MEDIUM)
Type CWE-476 (NULL Pointer Dereference)
Vendor MongoDB
Public PoC No

An issue in MongoDB Server's query planner could allow an authenticated user with read-level privileges to cause the server process to terminate unexpectedly by submitting a specially formed query against a collection with a text index. This could result in a denial of service, affecting connected clients and in-flight operations.

Attack Parameters

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

Impact Assessment

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

CVSS Vector v4.0