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CVE-2026-35023— Wimi Teamwork On-Premises < 8.2.0 IDOR via preview.php

Quick assessment

Affected
Cloud Solutions SAS Wimi Teamwork
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Wimi Teamwork On-Premises是法国Teamwork公司的一个企业协作平台。 Wimi Teamwork On-Premises 8.2.0之前版本存在安全漏洞，该漏洞源于preview.php端点存在不安全的直接对象引用，可能导致未授权信息泄露。

CVSS 4.3 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Cloud Solutions SAS Wimi Teamwork < 8.2.0 affected
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I. Basic Information for CVE-2026-35023

Vulnerability Information
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Vulnerability Title
Wimi Teamwork On-Premises < 8.2.0 IDOR via preview.php
Source: CVE Program / CVE List V5
Vulnerability Description
Wimi Teamwork On-Premises versions prior to 8.2.0 contain an insecure direct object reference vulnerability in the preview.php endpoint where the item_id parameter lacks proper authorization checks. Attackers can enumerate sequential item_id values to access and retrieve image previews from other users' private or group conversations, resulting in unauthorized disclosure of sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Wimi Teamwork On-Premises 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wimi Teamwork On-Premises是法国Teamwork公司的一个企业协作平台。 Wimi Teamwork On-Premises 8.2.0之前版本存在安全漏洞，该漏洞源于preview.php端点存在不安全的直接对象引用，可能导致未授权信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cloud Solutions SAS Wimi Teamwork 0 ~ 8.2.0 -

II. Public POCs for CVE-2026-35023

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III. Intelligence Information for CVE-2026-35023

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IV. Related Vulnerabilities

Same product: Wimi Teamwork
Same vendor: Cloud Solutions SAS
Same weakness: CWE-639

V. Comments for CVE-2026-35023

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