CVE-2026-31271
megagao production_ssm v1.0 contains an authorization bypass vulnerability in the user addition functionality. The insert() method in UserController.java lacks authentication checks, allowing unauthenticated attackers to create super administrator accounts by directly accessing the /user/insert endpoint. This leads to complete system compromise.
Published:Apr 7, 2026
Last Modified:Apr 13, 2026
EPS:Apr 7, 2026
EPSS Score:0.00132
CVSS Score:9.8
Affected Products
Vendor
Product
Action
Vendor
Megagao
Product
Production Ssm
Megagao
Production Ssm
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
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
