CVE-2026-31271

State: Published
Severity: 9.8 Critical
Published: Apr 7, 2026
Updated: Apr 9, 2026
Reserved: Mar 9, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/clockw1se0v0/Vul/blob/main/production_ssm/Unauthorized.md

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