CVE-2026-5228
Deferred Deferred - Pending Action
Improper Access Control in WriteUp Mobile App

Publication date: 2026-06-04

Last updated on: 2026-06-04

Assigner: Computer Emergency Response Team of the Republic of Turkey

Description
Improper Access Control, Missing Authorization vulnerability in Kurt Software Studio WriteUp Mobile App allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects WriteUp Mobile App: from 1.3.0 through 04062026.
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Meta Information
Published
2026-06-04
Last Modified
2026-06-04
Generated
2026-06-25
AI Q&A
2026-06-05
EPSS Evaluated
2026-06-23
NVD
CVE-2026-5228
EUVD
EUVD-2026-34283
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
kurt_software writeup_mobile_app From 1.3.0 (inc) to 04062026 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
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Compliance Impact

The vulnerability in Kurt Software Studio WriteUp Mobile App involves improper access control and missing authorization, allowing unauthorized access to functionality that should be constrained by access control lists (ACLs).

Such a vulnerability can lead to unauthorized access to sensitive data or critical functions, which may result in violations of data protection regulations like GDPR or HIPAA that require strict access controls and protection of personal or health information.

Therefore, this vulnerability could negatively impact compliance with these common standards and regulations by exposing sensitive data or functionality to unauthorized users.

Executive Summary

This vulnerability is an Improper Access Control and Missing Authorization issue in the Kurt Software Studio WriteUp Mobile App. It allows users to access functionality that is not properly restricted by Access Control Lists (ACLs), meaning that certain features or actions within the app can be accessed without the necessary permissions.

Impact Analysis

The vulnerability can have a significant impact as it allows unauthorized users to access sensitive functionality within the WriteUp Mobile App. According to the CVSS score of 8.8, it can lead to high confidentiality, integrity, and availability impacts, meaning attackers could potentially view, modify, or disrupt data and operations within the app.

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