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CVE-2026-31272

CRITICALCVSS 9.8/10EPSS 0.58%

Last modified

CVE-2026-31272 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
0.58%

43.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MrcmsMrcms3.1.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-31272?
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.
How severe is CVE-2026-31272?
CVE-2026-31272 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.
How do I fix CVE-2026-31272?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-31272?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST