CVE-2025-9081 LOW

CVE-2025-9081: IDOR in board file download allows any user to download any file by UUID

Vendor Mattermost
Product Mattermost
Weakness CWE-639 · IDOR
Published September 19, 2025
Last update September 19, 2025
View on NVD All CVEs

CVSS base score

3.1/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration

Key dates

02Disclosure timeline

September 19, 2025 CVE published
September 19, 2025 Record updated