GO-2026-4782 Mattermost Boards Plugin fails to implement authorisation checks on comment block modifications in github.com/mattermost/mattermost-plugin-boards

Mattermost Boards Plugin fails to implement authorisation checks on comment block modifications in github.com/mattermost/mattermost-plugin-boards...

Mattermost Boards Plugin fails to implement authorisation checks on comment block modifications

Mattermost Plugins versions =11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559...

CVE-2025-12756 Insecure Direct Object Reference in Mattermost Boards Plugin Enables Unauthorised Comment Deletion

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...

EUVD-2021-24345

Malware in sbrugna...

GO-2025-3978 Mattermost boards plugin fails to restrict download access to files in github.com/mattermost/mattermost-plugin-boards

Mattermost boards plugin fails to restrict download access to files in github.com/mattermost/mattermost-plugin-boards...

Mattermost boards plugin fails to restrict download access to files

Mattermost versions 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration...

GHSA-F72G-52V7-MG3P Mattermost boards plugin fails to restrict download access to files

Mattermost versions 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration...

CVE-2021-37867

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure...

CVE-2021-37867

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure...

CVE-2021-37866: Insufficient Session Expiration

Mattermost Boards plugin v0.10.0 and earlier fails to invalidate a session on the server-side when a user logged out of Boards, which allows an attacker to reuse old session token for authorization...

Mattermost 代码问题漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. The Mattermost Boards plugin in v0.10.0 and prior versions is vulnerable to a trust management issue that stems from the lack of an effective trust management mechanism in the network system or product. An attacker could...

CVE-2021-37867: Exposure of Sensitive Information to an Unauthorized Actor

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure...