CVE-2026-13186

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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-appdata-path-traversal-deserialization-CVE-2026-13186	Vendor Advisory Mitigation

Configurations

Configuration 1 (hide)

cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*

History

24 Oct 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) 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.

Information

Published : 2026-07-22 14:17

Updated : 2026-10-24 17:10

NVD link : CVE-2026-13186

Mitre link : CVE-2026-13186

CVE.ORG link : CVE-2026-13186

JSON object : View

Products Affected

progress

telerik_ui_for_asp.net_ajax

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2026-13186", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13186", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-23T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@progress.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security@progress.com", "affectedData": [{"vendor": "Progress Software", "product": "Telerik UI for ASP.NET AJAX", "versions": [{"status": "affected", "version": "2013.1.220", "lessThan": "2026.2.708", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-22T14:17:14.180", "references": [{"url": "https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-appdata-path-traversal-deserialization-CVE-2026-13186", "tags": ["Vendor Advisory", "Mitigation"], "source": "security@progress.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@progress.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "In Progress\u00ae Telerik\u00ae 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\u00ae Telerik\u00ae 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 deserializaci\u00f3n controlada por el atacante y la ejecuci\u00f3n remota de c\u00f3digo."}], "lastModified": "2026-10-24T17:10:00.220", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "85706CA6-1F5E-4A5F-BF76-69D6DD8BADCA", "versionEndExcluding": "2026.2.708", "versionStartIncluding": "2013.1.220"}], "operator": "OR"}]}], "sourceIdentifier": "security@progress.com"}