CVE-2025-41410

Oct. 16, 2025, 3:28 p.m.

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

Product(s) Impacted

Vendor Product Versions
Mattermost
  • Mattermost
  • 10.10.0.0-10.10.2, 10.5.0.0-10.5.10, 10.11.0.0-10.11.2

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-862
Missing Authorization
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a mattermost mattermost 10.10.0.0-10.10.2 / / / / / / /
a mattermost mattermost 10.5.0.0-10.5.10 / / / / / / /
a mattermost mattermost 10.11.0.0-10.11.2 / / / / / / /

CVSS Score

5.4 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: NONE
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

    View Vector String

Timeline

Published: Oct. 16, 2025, 9:15 a.m.
Last Modified: Oct. 16, 2025, 3:28 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

responsibledisclosure@mattermost.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.