MEDIUM✓ PATCH🇵🇱 Wersja polska

CVE-2026-3471

CVSS 6.5v3.1pub. 2026-05-18upd. 2026-06-05

Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent an invalid URL from loading in a pop-up window in the Mattermost Desktop App which allows a malicious server owner to repeated crash the application via calling {{window.open('javascript:alert()');}}. Mattermost Advisory ID: MMSA-2026-00618

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

  • Mattermost Desktop

    APP
    Mattermost
    ≤ 5.4.13.06.0.0 – 6.0.16.1.0 – 6.2.0 (excl.)
🟢
PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
CWE
References

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