CVE-2026-5261: Shandong Hoteam InforCenter PLM BaseHandler.ashx uploadFileToIIS unrestricted upload
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-5261?
CVE-2026-5261 is classified as a critical vulnerability due to its potential for unrestricted file uploads.
How do I fix CVE-2026-5261?
To mitigate CVE-2026-5261, ensure that software is updated to the latest version beyond 8.3.8 and implement strict validation for uploaded files.
What systems are affected by CVE-2026-5261?
CVE-2026-5261 affects Shandong Hoteam InforCenter PLM versions up to and including 8.3.8.
What is the impact of CVE-2026-5261?
The impact of CVE-2026-5261 can lead to unauthorized file uploads that may compromise the system.
Is CVE-2026-5261 exploitable remotely?
Yes, CVE-2026-5261 is exploitable remotely, allowing attackers to upload malicious files without authentication.