CVE-2025-9081

Published: Sep 19, 2025

Modified: Sep 19, 2025

PUBLISHED

CVSS v3.1

3.1

LOW

Description

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

Vendor	Product	Versions
Mattermost	Mattermost	affected `10.5.0 - <= 10.5.8` affected `9.11.0 - <= 9.11.17` unaffected `10.11.0` unaffected `10.5.9` unaffected `9.11.18`

Weaknesses (CWE)

CWE-639

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

https://mattermost.com/security-updates

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CVE-2025-9081

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References