CVE-2025-41410— Slack import bypasses email verification for team access controls
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I. Basic Information for CVE-2025-41410
Vulnerability Information
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Vulnerability Title
Slack import bypasses email verification for team access controls
Source: NVD (National Vulnerability Database)
Vulnerability 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
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 10.10.2及之前的10.10.x版本、10.5.10及之前的10.5.x版本和10.11.2及之前的10.11.x版本存在安全漏洞，该漏洞源于Slack导入过程中未验证电子邮件所有权，可能导致攻击者通过恶意Slack导入数据创建任意电子邮件域的已验证用户账户，绕过基于电子邮件的团队访问限制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost | 10.10.0 ~ 10.10.2 | - |
II. Public POCs for CVE-2025-41410
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2025-10-16 · 7 CVEs total
| CVE-2025-58073 | 8.1 HIGH | Arbitrary Mattermost Team can be joined by manipulating the OAuth state |
| CVE-2025-58075 | 8.1 HIGH | Arbitrary Mattermost Team can be joined by manipulating the SAML RelayState |
| CVE-2025-55035 | 6.1 MEDIUM | Mattermost Desktop DoS when user has basic authentication server configured |
| CVE-2025-41443 | 4.3 MEDIUM | Guest user can discover active public channels |
| CVE-2025-10545 | 3.1 LOW | Guest user can add unauthorized team users to private channels |
| CVE-2025-54499 | 3.1 LOW | Insecure string comparison enables timing attacks |
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V. Comments for CVE-2025-41410
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