WID-SEC-W-2026-1565

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Mattermost Desktop: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

view advisory published 2026-05-17

Ein Angreifer kann mehrere Schwachstellen in Mattermost Desktop ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

01

describes (3)

Related CVEs.

IDseverity exploitable
CVE-2026-8683US——
Mattermost Desktop App versions <=6.1 5.5.13.0 fail to account for attempting to open extremely long URLs in the Mattermost Desktop App which allows a malicious server owner to cra…
CVE-2026-4643US——
Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent server-rendered content from closing an underlying application view in the Mattermost Desktop App which allows…
CVE-2026-3471US——
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 ow…
02

references

External citations — patches, advisories, analysis.

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