CVE-2025-13326

Mattermost Desktop App fails to enable Hardened Runtime when packaged for Mac App Store

Published: Dec 17, 2025Updated: Dec 18, 2025 Sources: CVE List NVDCWE-693

NVD MITRE

3.9CVSSLOW

Description

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.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-693

Affected Products

Mattermost Mattermost

On-premWeb App

Communications / messaging-chat

mattermost desktop mattermost

On-premDesktop App

Communications / messaging-chat

mattermostcommercialUSCommunications

Exploitability

Official Patch Available

References

https://mattermost.com/security-updates

mattermost.com

Timeline

Published

Dec 17, 2025

Last Updated

Dec 18, 2025

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