CVE-2026-31272

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-07 · updated 2026-06-17
Weakness: CWE-284

Description

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.

Affected products

MRCMS: 3.1.2

References

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

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