Improper Access Control in Kurt Software Studio's WriteUp Mobile App
Summary
| CVE | CVE-2026-5228 |
|---|---|
| State | PUBLISHED |
| Assigner | TR-CERT |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-04 16:16:39 UTC |
| Updated | 2026-07-22 20:10:00 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.002450000 probability, percentile 0.158400000 (date 2026-07-22)
Problem Types: CWE-284 | CWE-862 | CWE-284 CWE-284 Improper Access Control | CWE-862 CWE-862 Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Kurt Software Studio | WriteUp Mobile App | affected 1.3.0 04062026 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0310 | [email protected] | siberguvenlik.gov.tr | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Hamza YEŞİLMEN (en)
There are currently no legacy QID mappings associated with this CVE.