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CVE-2025-41410

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CVE-2025-41410

Published: Oct 16, 2025

Modified: Oct 16, 2025

PUBLISHED

CVSS v3.1

5.4

MEDIUM

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

VendorProductVersions

Mattermost

Mattermost

affected
10.10.0 - <= 10.10.2
affected
10.5.0 - <= 10.5.10
affected
10.11.0 - <= 10.11.2
unaffected
10.12.0
unaffected
10.10.3

+2 more versions

Weaknesses (CWE)

CWE-862

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

References

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