CVE-2026-35023

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.vulncheck.com/advisories/wimi-teamwork-on-premises-idor-via-preview-php
https://www.wimi-teamwork.com/en/product-update

Configurations

No configuration.

History

09 Apr 2026, 18:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3

08 Apr 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-08 14:16

Updated : 2026-04-09 18:16

NVD link : CVE-2026-35023

Mitre link : CVE-2026-35023

CVE.ORG link : CVE-2026-35023

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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