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U+Smart Enjoyment WebSite CVE-2026-86272

| EUVDEUVD-2026-72254 MEDIUM
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-09-07 VulDB GHSA-fgh6-ch3f-2p3c
5.5
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
10.0 CRITICAL

Unauthenticated network-accessible upload endpoint; chained webshell execution on ASP.NET achieves scope change and full system compromise.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
CVSS changed
Sep 07, 2026 - 05:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
Analysis Generated
Sep 07, 2026 - 05:21 vuln.today
CVE Published
Sep 07, 2026 - 04:45 cve.org
MEDIUM 6.9

DescriptionCVE.org

A vulnerability was determined in Beijing Meite Software Technology U+Smart Enjoyment WebSite 18.6001.1096.1000. This impacts an unknown function of the file /Report/Upload/UploadFormImg.ashx. Executing a manipulation of the argument File can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

Unrestricted file upload in Beijing Meite Software Technology U+Smart Enjoyment WebSite 18.6001.1096.1000 exposes the /Report/Upload/UploadFormImg.ashx endpoint to unauthenticated remote file submission without file-type validation. An unauthenticated network attacker can upload arbitrary file types - including ASP.NET script files such as .aspx webshells - potentially chaining the upload into remote code execution on the underlying IIS server if the upload directory permits script execution. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation No authentication is required - the CVSS 4.0 vector (PR:N/UI:N) confirms unauthenticated, user-interaction-free exploitation directly over the network. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) confirms the attack is fully unauthenticated, remotely executable, and requires no special conditions - a straightforward exploitation profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch has been identified at time of analysis; the CVE references are limited to VulDB reporting (https://vuldb.com/vuln/399431) and the public PoC, with no fix version confirmed. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-86272 vulnerability details – vuln.today

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