High severity · published Apr 1, 2026
CVE-2026-5261
Shandong Hoteam InforCenter PLM BaseHandler.ashx uploadFileToIIS unrestricted upload
7.3
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IP
InforCenter PLM · Shandong Hoteam
8.3.0; 8.3.1; 8.3.2; 8.3.3; 8.3.4; 8.3.5; +3 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5261
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5261
my.feishu.cn
https://my.feishu.cn/docx/ToGkdd5jwokb4PxEMkHcKrfXn3b?from=from_copylink
vuldb.com
https://vuldb.com/submit/780725
vuldb.com
https://vuldb.com/vuln/354450
vuldb.com
https://vuldb.com/vuln/354450/cti