CVE-2026-18698
An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that should require more specific privileges. This could result in exposure of collection metadata and, on certain deployment configurations, unauthorized modification of system collection data.
Published:Aug 11, 2026
Last Modified:Aug 12, 2026
EPS:Aug 11, 2026
EPSS Score:0.00168
CVSS Score:5.4
Affected Products
Vendor
Product
Action
Vendor
Mongodb
Product
Mongodb Server
Mongodb
Mongodb Server
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
