CVE-2026-31272

9.8 criticalEPSS 0.6%

Critical (9.8) in mrcms mrcms. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-284
Published: 2026-04-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mrcms:mrcms

References

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

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