CVE-2026-18711

An issue in MongoDB Server's query execution engine could allow an authenticated user with read and write privileges to cause an internal reference to be used after the underlying memory has been freed, when running certain queries against time-series collections. This could result in a server crash or disclosure of freed memory contents within query results.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-130247

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-11 19:17

Updated : 2026-08-28 21:16

NVD link : CVE-2026-18711

Mitre link : CVE-2026-18711

CVE.ORG link : CVE-2026-18711

JSON object : View

Products Affected

No product.

CWE

CWE-416

Use After Free

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