CVE-2026-8683mediumCWE-770

Overly long URLs crash the Mattermost Desktop App

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 6.5epss 0.2%

probabilidade de exploração

0.2%top 90% das CVEs

exploração observada

nãonenhuma fonte reporta

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 crash the application via including a script to call window.open on a very large URL. Mattermost Advisory ID: MMSA-2026-00652

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

Produtos afetados

Mattermost · Mattermost

Referências

https://mattermost.com/security-updates