CVE-2025-3230: Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server

Published May 30, 2025
·
Updated

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.

Affected Software

10 affected componentsFixes available
Mattermost Mattermost Server<=10.7.0, <=10.6.2, <=10.5.3, <=9.11.12
go/github.com/mattermost/mattermost/server/v8<8.0.0-20250402193107-65343f84a783
8.0.0-20250402193107-65343f84a783
go/github.com/mattermost/mattermost/server/v8>=9.0.0-rc1<9.11.13
9.11.13
go/github.com/mattermost/mattermost/server/v8>=10.0.0-rc1<10.5.4
10.5.4
go/github.com/mattermost/mattermost/server/v8>=10.6.0-rc1<10.6.3
10.6.3
go/github.com/mattermost/mattermost/server/v8>=10.7.0-rc1<10.7.1
10.7.1
Mattermost Mattermost Server>=9.11.0<9.11.13
Mattermost Mattermost Server>=10.5.0<10.5.4
Mattermost Mattermost Server>=10.6.0<10.6.3
Mattermost Mattermost Server>=10.7.0<10.7.1

Remediation

Information

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

Event History

May 30, 2025
CVE Published
via MITRE·02:22 PM
Data Sourced
via MITRE·02:22 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
Affected Software
Advisory Published
via GitHub·03:30 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-3230?

CVE-2025-3230 is classified as a critical vulnerability due to its potential to allow deactivated users to maintain full system access.

2

How do I fix CVE-2025-3230?

To fix CVE-2025-3230, update Mattermost Server to a version beyond 10.7.0, 10.6.2, 10.5.3, or 9.11.12.

3

Which versions of Mattermost are affected by CVE-2025-3230?

CVE-2025-3230 affects Mattermost Server versions 10.7.0 and earlier, 10.6.2 and earlier, 10.5.3 and earlier, and 9.11.12 and earlier.

4

What impact does CVE-2025-3230 have on system security?

The impact of CVE-2025-3230 is significant as it allows deactivated users to exploit access tokens, compromising system security.

5

Is there a workaround for CVE-2025-3230?

Currently, the primary mitigation for CVE-2025-3230 is to upgrade to a non-vulnerable version of Mattermost Server.

Company

Resources

Contact

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