CVE-2026-5261 MEDIUM

CVE-2026-5261: Shandong Hoteam InforCenter PLM BaseHandler.ashx uploadFileToIIS unrestricted upload

Vendor Shandong Hoteam
Product InforCenter PLM
Weakness CWE-434 · Unrestricted file upload
Published April 1, 2026
Last update April 3, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A vulnerability was identified in Shandong Hoteam InforCenter PLM up to 8.3.8. The impacted element is the function uploadFileToIIS of the file /Base/BaseHandler.ashx. The manipulation of the argument File leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 3, 2026 Record updated