CVE-2026-5261 is an unrestricted file upload vulnerability affecting Shandong Hoteam InforCenter PLM versions up to 8.3.8, specifically within the `uploadFileToIIS` function of the `/Base/BaseHandler.ashx` file. Rated 7.3 HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L), this allows an unauthenticated attacker to remotely upload arbitrary files with low attack complexity. This could lead to compromise of confidentiality, integrity, and availability on affected systems. Although not currently listed on CISA's Known Exploited Vulnerabilities catalog, a public exploit is available, and the vendor has not responded to disclosure attempts, increasing the immediate risk of exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Shandong Hoteam | InforCenter PLM | 8.3.0, 8.3.1, 8.3.2, 8.3.3, 8.3.4, 8.3.5, 8.3.6, 8.3.7, 8.3.8CNA affected |
CVSS version used by this source: 4.0
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
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