EUVD-2026-28463
GHSA-rrf3-mgv7-cw6m
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4DescriptionNVD
The VerySecureApp made by DIVD using Mendix Studio Pro 11.8.0 Beta allows unintended data exposure due to authorization misconfiguration. The VerySecureApp allows anonymous users of the MyFirstModule with the anonymous user role to gain access to all stored records, even though no access rights are explicitly configured on that role. Anonymous users are required to make a Mendix Entity available publicly. All versions of Mendix Studio Pro up to 11.8.0 Beta silently make an Anonymous user role follow user inheritance rules, without mentioning this explicitly in the documentation.
AnalysisAI
Authorization bypass in Mendix Studio Pro through 11.8.0 Beta exposes all stored records to anonymous users due to undocumented role inheritance behavior. Applications built with affected Mendix versions silently grant anonymous users access to entity data despite no explicit permissions configured, allowing unauthenticated remote attackers to read and modify confidential records. …
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RemediationAI
Within 24 hours: Identify all applications deployed using Mendix Studio Pro versions up to 11.8.0 Beta and classify by data sensitivity. Within 7 days: Implement network-level access controls (WAF rules, IP allowlisting) to restrict anonymous access to Mendix applications; contact Mendix support for interim guidance and confirmed safe versions. …
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External POC / Exploit Code
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