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CVE-2026-22880

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CVSS 3.1
6.1 medium
EPSS
<1%p2
Published
()
Modified
Description

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

Vendors
mattermost
Products
mattermost mobile
Weakness
CWE-352
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
NVD CVE.org GitHub PoCs EPSS (0.1%)

In the news

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