CVE record
CVE-2026-22880
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
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Vulnerability metadata
- Published
- 2026-05-21T03:46:26.510Z
- Modified
- 2026-05-21T09:56:35.653Z
- EPSS
- Not available
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
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