CVE-2026-31272

MRCMS 3.1.2 contains an access control vulnerability

Critical · published April 7, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
50.4
In the wild
Unconfirmed
What it is

MRCMS 3.1.2 contains an access control vulnerability. The save() method in src/main/java/org/marker/mushroom/controller/UserController.java lacks proper authorization validation, enabling direct addition of super administrator accounts without authentication.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00647 · 50.4th percentile
Published
2026-04-07T00:00Z
EPSS history
Timeline
  • 07 APR 00:00Z
    MRCMS 3.1.2 contains an access control vulnerability
    cvelistv5