EUVD-2026-19767
GHSA-84xj-452r-299m
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Tags
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.
Analysis
Unauthenticated super administrator account creation in MRCMS 3.1.2 allows remote attackers to bypass all access controls and add privileged accounts directly via UserController.save() method. The vulnerability exposes full system compromise through network-accessible endpoints requiring no prior authentication. …
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Remediation
Within 24 hours: Identify all MRCMS 3.1.2 instances in your environment and isolate or disable network access to the UserController endpoint. Within 7 days: Contact MRCMS vendor for patch availability and timeline; implement network segmentation or WAF rules to restrict access to /UserController.save() endpoints to authenticated sessions only. …
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External POC / Exploit Code
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