Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses
References
History

Fri, 14 Nov 2025 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost
Mattermost mattermost Mobile
Vendors & Products Mattermost
Mattermost mattermost
Mattermost mattermost Mobile

Thu, 13 Nov 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 13 Nov 2025 17:45:00 +0000

Type Values Removed Values Added
Description Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses
Title Inadequate validation of SSO redirect credentials permits credential theft
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2025-11-13T17:32:04.772Z

Updated: 2025-11-13T18:02:26.585Z

Reserved: 2025-10-15T11:16:32.195Z

Link: CVE-2025-59480

cve-icon Vulnrichment

Updated: 2025-11-13T18:02:21.964Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-13T18:15:50.703

Modified: 2025-11-14T16:42:03.187

Link: CVE-2025-59480

cve-icon Redhat

No data.