CVE-2025-2571
Google OAuth Authentication Bypass for Converted Bot Accounts
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Google OAuth Authentication Bypass for Converted Bot Accounts
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.
- Record
CVE-2025-2571- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
EUVDEUVD-2025-16490
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.
- Record
EUVD-2025-16490- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8cgx-9ccj-3gwr
Mattermost fails to clear Google OAuth credentials
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.
- Record
GHSA-8cgx-9ccj-3gwr- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-2571- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSV
Google OAuth Authentication Bypass for Converted Bot Accounts
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.
- Record
CVE-2025-2571- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSVGHSA-8cgx-9ccj-3gwr
Mattermost fails to clear Google OAuth credentials
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.
- Record
GHSA-8cgx-9ccj-3gwr- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSVGO-2025-3729 No score
Mattermost fails to clear Google OAuth credentials in github.com/mattermost/mattermost-server
Mattermost fails to clear Google OAuth credentials in github.com/mattermost/mattermost-server
- Record
GO-2025-3729- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15225-1 No score
govulncheck-vulndb-0.0.20250612T141001-1.1 on GA media
These are all security issues fixed in the govulncheck-vulndb-0.0.20250612T141001-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15225-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/mattermost/mattermost/server/v8Go |
10.7.0-rc1 up to 10.7.1 | 10.7.1 |
github.com/mattermost/mattermost/server/v8Go |
10.0.0-rc1 up to 10.5.4 | 10.5.4 |
github.com/mattermost/mattermost/server/v8Go |
9.0.0-rc1 up to 9.11.13 | 9.11.13 |
github.com/mattermost/mattermost/server/v8Go |
before 8.0.0-20250414095146-04676582cdd2 | 8.0.0-20250414095146-04676582cdd2 |
github.com/mattermost/mattermost/server/v8Go |
10.6.0-rc1 up to 10.6.3 | 10.6.3 |
github.com/mattermost/mattermost-serverGo |
9.0.0-rc1+incompatible up to 9.11.13+incompatible, 10.0.0-rc1+incompatible up to 10.5.4+incompatible, 10.6.0-rc1+incompatible up to 10.6.3+incompatible, 10.7.0-rc1+incompatible up to 10.7.1+incompatible | 9.11.13+incompatible10.5.4+incompatible10.6.3+incompatible10.7.1+incompatible |
github.com/mattermost/mattermost-server/v5Go |
All versions | None known |
github.com/mattermost/mattermost-server/v6Go |
All versions | None known |
govulncheck-vulndbopenSUSE:Tumbleweed From an advisory covering 29 CVEs |
before 0.0.20250612T141001-1.1 | 0.0.20250612T141001-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-2571 is a medium vulnerability (CVSS 4.2) in Mattermost, published May 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. Fixed in github.com/mattermost/mattermost/server/v8 10.7.1.
References
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2025-2571
github.com/mattermost/mattermost/commit/04676582cdd26f4fdfa78fcf60a7f8745e6b27f5
Show 29 moreShow less
suse.com/security/cve/CVE-2020-36846