CVE-2026-22880mediumCWE-352

Mobile SSO authentication flow allows credential theft via malicious server

13Vexday Risk Score

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

ssvc Trackcvss 6.1epss 0.1%

probabilidade de exploração

0.1%top 98% das CVEs

exploração observada

nãonenhuma fonte reporta

Mattermost Mobile Apps versions <=2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authentication callback origin which allows an attacker controlling a malicious Mattermost server to steal user credentials for a legitimate Mattermost server via relaying the SSO code exchange flow through the mobile application. Mattermost Advisory ID: MMSA-2025-00564

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

Produtos afetados

Mattermost · Mattermost

Referências

https://mattermost.com/security-updates