P5Verified

CVE-2025-13326: mattermost desktop before 6.0.0 (exclusive); +1 more affected products

CVE-2025-13326. CVSS 3.1 base score 3.9 (LOW, Vendor/CNA). EPSS 0.00114 (percentile 0.01362), scored 12-Oct-2026.

Affected technology

mattermost desktop · before 6.0.0 (exclusive)
mattermost

Mattermost · 0 through 6.0.0
Mattermost

Description’s affected range: versions <6.0.0 fail to enable the Hardened Runtime on the Mattermost Desktop App when packaged for Mac App Store which

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · User interaction required

What an attacker can do

The source says 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. Vendor/CNA’s CVSS 3.1 assessment (base score 3.9/10) rates confidentiality and integrity impact as low; availability impact as none.

Published 13-Oct-2026 13:57 UTC

CWE: CWE-693
CCR priority: 15.6 /100 (P5)
CVSS 3.1: 3.9 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N · Vendor/CNA
EPSS: 0.00114 · percentile 0.01362 · 2026-10-12
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-13 13:56:14.349801+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-13326.html