Unauthorized Action Vulnerability in MongoDB Server
CVE-2026-18690

7.2HIGH

Key Information:

Vendor

Mongodb
Status
Mongodb Server
Vendor
CVE Published:
11 August 2026

What is CVE-2026-18690?

A vulnerability in MongoDB Server allows authenticated users with restricted database roles to perform unauthorized actions on critical system collections. This issue can lead to the dropping and recreation of essential collections without proper privileges, potentially disrupting database integrity and security. Users should review their permissions and apply necessary patches to mitigate this risk.

Affected Version(s)

MongoDB Server 8.3.0 < 8.3.8

MongoDB Server 8.0 < 8.0.29

MongoDB Server 7.0 < 7.0.40

References

https://jira.mongodb.org/browse/SERVER-130481

CVSS V4

Score:
7.2
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.