CVE-2025-2571

MEDIUM

Mattermost <10.7.0-10.5.3-9.11.12 - Auth Bypass

Title source: llm

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.

References (1)

[Vendor Advisory] https://mattermost.com/security-updates

Scores

CVSS v3 4.2

EPSS 0.0017

EPSS Percentile 38.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-303

Status published

Products (2)

mattermost/mattermost 10.7.0-rc1 - 10.7.1Go

mattermost/mattermost_server 9.11.0 - 9.11.13

Published May 30, 2025

Tracked Since Feb 18, 2026