Low severity · published Dec 17, 2025
CVE-2025-13326
Mattermost Desktop App fails to enable Hardened Runtime when packaged for Mac App Store
3.9
CVSS
0.1%
EPSS
No
On KEV
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
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
through 6.0.0 · source: vendor
MD
Mattermost Desktop · Mattermost
before 6.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13326
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13326
Vendor Advisory
https://mattermost.com/security-updates
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