Shandong Hoteam InforCenter PLM up to 8.3.8 /Base/BaseHandler.ashx uploadFileToIIS File unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k1.38

Summaryinfo

A vulnerability described as critical has been identified in Shandong Hoteam InforCenter PLM up to 8.3.8. This affects the function uploadFileToIIS of the file /Base/BaseHandler.ashx. The manipulation of the argument File results in unrestricted upload. This vulnerability is known as CVE-2026-5261. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, was found in Shandong Hoteam InforCenter PLM up to 8.3.8. Affected is the function uploadFileToIIS of the file /Base/BaseHandler.ashx. The manipulation of the argument file with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at my.feishu.cn. This vulnerability is traded as CVE-2026-5261. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

The exploit is shared for download at my.feishu.cn. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17849). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/31/2026 Advisory disclosed
03/31/2026 +0 days VulDB entry created
04/01/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: my.feishu.cn
Status: Not defined

CVE: CVE-2026-5261 (🔒)
GCVE (CVE): GCVE-0-2026-5261
GCVE (VulDB): GCVE-100-354450
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/31/2026 18:30
Updated: 04/01/2026 15:46
Changes: 03/31/2026 18:30 (58), 04/01/2026 15:46 (1)
Complete: 🔍
Submitter: 0menc
Cache ID: 216:80F:103

Submitinfo

Accepted

  • Submit #780725: Shandong Hoteam Software Co., Ltd. Huatian Software InforCenter PLM <8.3.8 Remote Code Execution (by 0menc)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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