CVE-2025-59480

Inadequate validation of SSO redirect credentials permits credential theft

Published Nov 13, 2025 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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

Remediation

Vendor Solution

Update Mattermost Mobile Apps to versions 2.33.0 or higher.

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost
Mattermost mattermost Mobile
Vendors & Products Mattermost
Mattermost mattermost
Mattermost mattermost Mobile
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Nov 13, 2025, 6:02 PM
Reserved
Oct 15, 2025, 11:16 AM
Status
Analyzed
Published
Nov 13, 2025, 6:15 PM
Modified
Oct 19, 2026, 1:10 PM