CVE-2025-13326 LOW

CVE-2025-13326: Mattermost Desktop App fails to enable Hardened Runtime when packaged for Mac App Store

Vendor Mattermost
Product Mattermost
Weakness CWE-693
Published December 17, 2025
Last update December 17, 2025

CVSS base score

3.9/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Mattermost Desktop App versions <6.0.0 fail to enable the Hardened Runtime on the Mattermost Desktop App when packaged for Mac App Store which allows an attacker to inherit TCC permissions via copying the binary to a tmp folder.

Key dates

02Disclosure timeline

December 17, 2025 CVE published
December 17, 2025 Record updated