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CVE-2025-53910

nvd nist
Published: Aug 11, 2025Modified: Jun 17, 2026

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4.0
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Exploitability: 2.2 / Impact: 1.4
Source: responsibledisclosure@mattermost.com (Secondary)

Description

Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create a channel subscription without proper access to the channel via API call to the edit channel subscription endpoint.

Affected (1)

Mattermost
1 product
Confluence
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Confluence
Before 1.5.0

Related CWEs

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

References (1)

Source: responsibledisclosure@mattermost.com
Vendor Advisory

Timeline

No history available yet.