Mattermost <=10.11.9 Bypass Invite Permissions via API
CVE-2025-14573 Published on February 16, 2026
Team Admin Bypass of Invite Permissions via allow_open_invite Field
Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561
Vulnerability Analysis
CVE-2025-14573 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2025-14573 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2025-14573
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Affected Versions
Mattermost:- Version 10.11.0, <= 10.11.9 is affected.
- Version 11.3.0 is unaffected.
- Version 10.11.10 is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.