CVE-2025-2571

Google OAuth Authentication Bypass for Converted Bot Accounts

Published May 30, 2025 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Description
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to clear Google OAuth credentials when converting user accounts to bot accounts, allowing attackers to gain unauthorized access to bot accounts via the Google OAuth signup flow.

Remediation

Vendor Solution

Update Mattermost to versions 10.8.0, 10.7.1, 10.6.3, 10.5.4, 9.11.13 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-16490 Mattermost fails to clear Google OAuth credentials
Github GHSA Github GHSA GHSA-8cgx-9ccj-3gwr Mattermost fails to clear Google OAuth credentials
References
History
Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server
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 versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to clear Google OAuth credentials when converting user accounts to bot accounts, allowing attackers to gain unauthorized access to bot accounts via the Google OAuth signup flow.
Title Google OAuth Authentication Bypass for Converted Bot Accounts
Weaknesses CWE-303
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
May 30, 2025, 2:44 PM
Reserved
Mar 20, 2025, 8:10 PM
Status
Analyzed
Published
May 30, 2025, 3:15 PM
Modified
Jun 17, 2026, 9:07 AM