How severe is CVE-2025-1398?

CVE-2025-1398 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-1398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1398?

CVE-2025-1398 affects Mattermost Mattermost Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1398?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-1398 have an EU (EUVD) identifier?

Yes. CVE-2025-1398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6524.

When was CVE-2025-1398 published?

CVE-2025-1398 was published on 2025-03-17 and last updated on 2026-06-17.

CVE-2025-1398

CVE-2025-1398 is a low-severity vulnerability in Mattermost Mattermost Desktop with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-426.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6524
Weakness: CWE-426
Affected product: Mattermost Mattermost Desktop
Published: 2025-03-17
Last modified: 2026-06-17

Description

Mattermost Desktop App versions <=5.10.0 explicitly declared unnecessary macOS entitlements which allows an attacker with remote access to bypass Transparency, Consent, and Control (TCC) via code injection.

Frequently asked questions

What is CVE-2025-1398?: Mattermost Desktop App versions <=5.10.0 explicitly declared unnecessary macOS entitlements which allows an attacker with remote access to bypass Transparency, Consent, and Control (TCC) via code injection.
How severe is CVE-2025-1398?: CVE-2025-1398 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-1398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1398?: CVE-2025-1398 affects Mattermost Mattermost Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1398 have an EU (EUVD) identifier?: Yes. CVE-2025-1398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6524.
When was CVE-2025-1398 published?: CVE-2025-1398 was published on 2025-03-17 and last updated on 2026-06-17.

References

https://mattermost.com/security-updates

Affected products (1)

cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*

More vulnerabilities in Mattermost Mattermost Desktop

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