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Vulnerability record · CVE-2026-31272 · published 7 April 2026

CVE-2026-31272: Mrcms improper access control vulnerability

MMrcms · Mrcms

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.

9.8 CVSS 3.1 Critical EPSS 0.65% · top 51.0% CWE-284 · Improper access control
9.8CVSS 3.1 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/clockw1se0v0/Vul/blob/main/MRCMS/Unauthorized.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-48177Mrcms sql injection vulnerabilityMRCMS 3.1.2 contains a SQL injection vulnerability via the RID parameter in /admin/article/delete.do.EPSS 0.43%7.5CVE-2024-24161Mrcms vulnerabilityMRCMS 3.0 contains an Arbitrary File Read vulnerability in /admin/file/edit.do as the incoming path parameter is not filtered.EPSS 0.69%6.5CVE-2024-25428Mrcms sql injection vulnerabilitySQL Injection vulnerability in MRCMS v3.1.2 allows attackers to run arbitrary system commands via the status parameter.EPSS 0.40%5.4CVE-2025-25768Mrcms command injection vulnerabilityMRCMS v3.1.2 was discovered to contain a server-side template injection (SSTI) vulnerability in the component \servlet\DispatcherServlet.java. This v…EPSS 0.34%5.4CVE-2024-24160Mrcms cross-site scripting vulnerabilityMRCMS 3.0 contains a Cross-Site Scripting (XSS) vulnerability via /admin/system/saveinfo.do.EPSS 0.43%5.3CVE-2026-29909Mrcms improper input validation vulnerabilityMRCMS V3.1.2 contains an unauthenticated directory enumeration vulnerability in the file management module. The /admin/file/list.do endpoint lacks au…EPSS 0.50%5.3CVE-2025-4327Mrcms cross-site request forgery vulnerabilityA vulnerability was found in MRCMS 3.1.2. It has been classified as problematic. Affected is an unknown function. The manipulation leads to cross-sit…EPSS 0.27%5.3CVE-2025-2193Mrcms path traversal vulnerabilityA vulnerability has been found in MRCMS 3.1.2 and classified as critical. This vulnerability affects the function delete of the file /admin/file/dele…EPSS 0.80%

Source: NIST National Vulnerability Database (record CVE-2026-31272), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.