CVE-2025-13326

Name: CVE-2025-13326
Creator: NVD / NIST
Published: 2025-12-17T19:16:01.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.9/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2025-13326 is a low-severity vulnerability rated 3.9/10 on the CVSS scale. 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.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

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.

Metrics

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

EPSS Probability

0.09%

0.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-693

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Desktop	< 6.0.0

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Dec 17, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-13326?

How severe is CVE-2025-13326?

CVE-2025-13326 has a CVSS score of 3.9/10 (LOW severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2025-13326?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-13326?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST