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.
https://mattermost.com/security-updates
Source: Mitre, NVD
Published: 2025-12-17
Updated: 2025-12-18
Base Score: 3.2
Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:N
Severity: Low
Base Score: 3.9
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS: 0.00013