Search criteria
1 vulnerability by Kurt Software Studio
CVE-2026-5228 (GCVE-0-2026-5228)
Vulnerability from cvelistv5 – Published: 2026-06-04 14:22 – Updated: 2026-06-04 17:28
VLAI
Title
Improper Access Control in Kurt Software Studio's WriteUp Mobile App
Summary
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.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kurt Software Studio | WriteUp Mobile App |
Affected:
1.3.0 , ≤ 04062026
(custom)
|
Date Public
2026-06-04 12:46
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-5228",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-04T17:28:29.476982Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-04T17:28:38.331Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "WriteUp Mobile App",
"vendor": "Kurt Software Studio",
"versions": [
{
"lessThanOrEqual": "04062026",
"status": "affected",
"version": "1.3.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Hamza YE\u015e\u0130LMEN"
}
],
"datePublic": "2026-06-04T12:46:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Improper Access Control, Missing Authorization vulnerability in Kurt Software Studio WriteUp Mobile App allows Accessing Functionality Not Properly Constrained by ACLs.\u003cp\u003eThis issue affects WriteUp Mobile App: from 1.3.0 through 04062026.\u003c/p\u003e"
}
],
"value": "Improper Access Control, Missing Authorization vulnerability in Kurt Software Studio WriteUp Mobile App allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects WriteUp Mobile App: from 1.3.0 through 04062026."
}
],
"impacts": [
{
"capecId": "CAPEC-1",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-04T14:22:31.994Z",
"orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
"shortName": "TR-CERT"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0310"
}
],
"source": {
"advisory": "TR-26-0310",
"defect": [
"TR-26-0310"
],
"discovery": "UNKNOWN"
},
"title": "Improper Access Control in Kurt Software Studio\u0027s WriteUp Mobile App",
"x_generator": {
"engine": "Vulnogram 1.0.2"
}
}
},
"cveMetadata": {
"assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
"assignerShortName": "TR-CERT",
"cveId": "CVE-2026-5228",
"datePublished": "2026-06-04T14:22:31.994Z",
"dateReserved": "2026-03-31T13:21:46.402Z",
"dateUpdated": "2026-06-04T17:28:38.331Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}