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I. Basic Information for CVE-2025-8402
Vulnerability Information

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Vulnerability Title
Nil pointer dereference in bulk import crashes server
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1287
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 10.8.3及之前10.8.x版本、10.5.8及之前10.5.x版本、9.11.17及之前9.11.x版本、10.10.0及之前10.10.x版本、10.9.3及之前10.9.x版本存在安全漏洞,该漏洞源于未验证导入数据,可能导致服务器崩溃。
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
VendorProductAffected VersionsCPESubscribe
MattermostMattermost 10.8.0 ~ 10.8.3 -
II. Public POCs for CVE-2025-8402
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III. Intelligence Information for CVE-2025-8402
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IV. Related Vulnerabilities
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