Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Tue, 21 Oct 2025 18:15:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Mattermost mattermost Server
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| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost mattermost Server
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Mon, 20 Oct 2025 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
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| Vendors & Products |
Mattermost
Mattermost mattermost |
Thu, 16 Oct 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Thu, 16 Oct 2025 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions | |
| Title | Slack import bypasses email verification for team access controls | |
| Weaknesses | CWE-862 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: Mattermost
Published: 2025-10-16T08:39:58.233Z
Updated: 2025-10-16T14:00:19.181Z
Reserved: 2025-09-16T08:32:57.345Z
Link: CVE-2025-41410
Updated: 2025-10-16T13:59:54.143Z
Status : Analyzed
Published: 2025-10-16T09:15:33.313
Modified: 2025-10-21T18:00:54.627
Link: CVE-2025-41410
No data.