CVE-2026-18700
Published:August 11, 2026
Updated:September 01, 2026
An issue in MongoDB Server's geospatial validation could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed, through concurrent operations against a collection using a certain type of validator. This could result in a server crash, leading to a denial of service.
Affected Packages
https://github.com/mongodb/mongo.git (GITHUB):
Affected version(s) >=r7.0.0 <r7.0.40Fix Suggestion:
Update to version r7.0.40https://github.com/mongodb/mongo.git (GITHUB):
Affected version(s) >=r8.0.0 <r8.0.29Fix Suggestion:
Update to version r8.0.29https://github.com/mongodb/mongo.git (GITHUB):
Affected version(s) >=r8.3.0 <r8.3.8Fix Suggestion:
Update to version r8.3.8Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Use After Free
EPSS
Base Score:
0.29