CVE-2025-2571CWE-303

Google OAuth Authentication Bypass for Converted Bot Accounts

Medium · published May 30, 2025

CVSS v3.1
4.2
EPSS
0%
Percentile
10.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.2 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00205 · 10.0th percentile
Weakness
CWE-303 · Incorrect Implementation of Authentication Algorithm
Published
2025-05-30T14:22Z
EPSS history
Timeline
  • 30 MAY 14:22Z
    Google OAuth Authentication Bypass for Converted Bot Accounts
    cvelistv5