| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost desktop | ≥ 6.0.0, ≤ 6.0.1≥ 6.1.0, < 6.2.0≤ 5.4.13.0 | 6.2.0 |
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
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