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I. Basic Information for CVE-2025-12756
Vulnerability Information

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Vulnerability Title
Insecure Direct Object Reference in Mattermost Boards Plugin Enables Unauthorised Comment Deletion
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate user permissions when deleting comments in Boards, which allows an authenticated user with the editor role to delete comments created by other users.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
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存在安全漏洞,该漏洞源于删除评论时未验证用户权限,可能导致未经授权的评论删除。以下版本受到影响:11.0.x版本至11.0.2版本、10.12.x版本至10.12.1版本、10.11.x版本至10.11.4版本、10.5.x版本至10.5.12版本。
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 11.0.0 ~ 11.0.2 -
II. Public POCs for CVE-2025-12756
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III. Intelligence Information for CVE-2025-12756
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IV. Related Vulnerabilities
V. Comments for CVE-2025-12756

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