CVE-2025-3230
Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server
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 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- 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
Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server
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 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
- Record
CVE-2025-3230- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
EUVDEUVD-2025-16491
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 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
- Record
EUVD-2025-16491- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mc2f-jgj6-6cp3
Mattermost fails to properly invalidate personal access tokens upon user deactivation
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 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
- Record
GHSA-mc2f-jgj6-6cp3- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/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 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
- Record
CVE-2025-3230- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSV
Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server
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 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
- Record
CVE-2025-3230- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSVGHSA-mc2f-jgj6-6cp3
Mattermost fails to properly invalidate personal access tokens upon user deactivation
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 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
- Record
GHSA-mc2f-jgj6-6cp3- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSVGO-2025-3731 No score
Mattermost fails to properly invalidate personal access tokens upon user deactivation in github.com/mattermost/mattermost-server
Mattermost fails to properly invalidate personal access tokens upon user deactivation in github.com/mattermost/mattermost-server
- Record
GO-2025-3731- 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 |
10.6.0-rc1 up to 10.6.3 | 10.6.3 |
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 8.0.0-20250402193107-65343f84a783 | 8.0.0-20250402193107-65343f84a783 |
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-2025-3230 is a medium vulnerability (CVSS 5.4) in Mattermost, published May 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. Fixed in github.com/mattermost/mattermost/server/v8 10.7.1.
References
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2025-3230
github.com/mattermost/mattermost/commit/65343f84a7830fa8078fe3df879fca924e4fac01
Show 29 moreShow less
suse.com/security/cve/CVE-2020-36846