CVE-2026-13186
Full vulnerability record from the local CVENow database.
Description
In Progress® Telerik® UI for AJAX prior to v2026.2.708, a path traversal vulnerability in the file-based persistence storage provider can be exploited when the storage key is derived from user-controlled input, enabling attacker-controlled deserialization and remote code execution.
Severity
HIGH
CVSS score
8.1
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-22 14:17:14.180000
Last modified
2026-10-24 17:10:00.220000
View original CVE JSON
{
"id": "CVE-2026-13186",
"sourceIdentifier": "[email protected]",
"published": "2026-07-22T14:17:14.180",
"lastModified": "2026-10-24T17:10:00.220",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Progress® Telerik® UI for AJAX prior to v2026.2.708, a path traversal vulnerability in the file-based persistence storage provider can be exploited when the storage key is derived from user-controlled input, enabling attacker-controlled deserialization and remote code execution."
},
{
"lang": "es",
"value": "En Progress® Telerik® UI for AJAX anterior a la v2026.2.708, una vulnerabilidad de salto de ruta en el proveedor de almacenamiento de persistencia basado en archivos puede ser explotada cuando la clave de almacenamiento se deriva de una entrada controlada por el usuario, lo que permite la deserialización controlada por el atacante y la ejecución remota de código."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Progress Software",
"product": "Telerik UI for ASP.NET AJAX",
"defaultStatus": "unaffected",
"versions": [
{
"version": "2013.1.220",
"lessThan": "2026.2.708",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-23T00:00:00+00:00",
"id": "CVE-2026-13186",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2013.1.220",
"versionEndExcluding": "2026.2.708",
"matchCriteriaId": "85706CA6-1F5E-4A5F-BF76-69D6DD8BADCA"
}
]
}
]
}
],
"references": [
{
"url": "https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-appdata-path-traversal-deserialization-CVE-2026-13186",
"source": "[email protected]",
"tags": [
"Vendor Advisory",
"Mitigation"
]
}
]
}