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.
Metrics
Affected Vendors & Products
References
Link | Providers |
---|---|
https://mattermost.com/security-updates |
![]() ![]() |
History
Wed, 15 Oct 2025 14:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Mattermost mattermost Server
|
|
CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
Vendors & Products |
Mattermost mattermost Server
|
Fri, 30 May 2025 15:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Metrics |
ssvc
|
Fri, 30 May 2025 14:45:00 +0000
Type | Values Removed | Values Added |
---|---|---|
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 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. | |
Title | Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server | |
Weaknesses | CWE-303 | |
References |
| |
Metrics |
cvssV3_1
|

Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2025-05-30T14:42:40.557Z
Reserved: 2025-04-03T15:46:34.595Z
Link: CVE-2025-3230

Updated: 2025-05-30T14:42:31.645Z

Status : Analyzed
Published: 2025-05-30T15:15:41.043
Modified: 2025-10-15T14:16:49.363
Link: CVE-2025-3230

No data.

Updated: 2025-06-24T09:44:21Z