Vulnerability Details CVE-2025-36530
Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 15.7%
CVSS Severity
CVSS v3 Score 6.8
Products affected by CVE-2025-36530
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cpe:2.3:a:mattermost:mattermost_server:10.5.0
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cpe:2.3:a:mattermost:mattermost_server:10.5.1
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cpe:2.3:a:mattermost:mattermost_server:10.5.2
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cpe:2.3:a:mattermost:mattermost_server:10.5.3
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cpe:2.3:a:mattermost:mattermost_server:10.5.4
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cpe:2.3:a:mattermost:mattermost_server:10.5.5
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cpe:2.3:a:mattermost:mattermost_server:10.5.6
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cpe:2.3:a:mattermost:mattermost_server:10.5.7
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cpe:2.3:a:mattermost:mattermost_server:10.5.8
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cpe:2.3:a:mattermost:mattermost_server:10.8.0
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cpe:2.3:a:mattermost:mattermost_server:10.8.1
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cpe:2.3:a:mattermost:mattermost_server:10.8.2
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cpe:2.3:a:mattermost:mattermost_server:10.8.3
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cpe:2.3:a:mattermost:mattermost_server:10.9.0
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cpe:2.3:a:mattermost:mattermost_server:10.9.1
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cpe:2.3:a:mattermost:mattermost_server:9.11.0
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cpe:2.3:a:mattermost:mattermost_server:9.11.1
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cpe:2.3:a:mattermost:mattermost_server:9.11.10
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cpe:2.3:a:mattermost:mattermost_server:9.11.11
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cpe:2.3:a:mattermost:mattermost_server:9.11.12
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cpe:2.3:a:mattermost:mattermost_server:9.11.13
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cpe:2.3:a:mattermost:mattermost_server:9.11.14
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cpe:2.3:a:mattermost:mattermost_server:9.11.15
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cpe:2.3:a:mattermost:mattermost_server:9.11.16
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cpe:2.3:a:mattermost:mattermost_server:9.11.17
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cpe:2.3:a:mattermost:mattermost_server:9.11.2
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cpe:2.3:a:mattermost:mattermost_server:9.11.3
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cpe:2.3:a:mattermost:mattermost_server:9.11.4
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cpe:2.3:a:mattermost:mattermost_server:9.11.5
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cpe:2.3:a:mattermost:mattermost_server:9.11.6
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cpe:2.3:a:mattermost:mattermost_server:9.11.7
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cpe:2.3:a:mattermost:mattermost_server:9.11.8
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cpe:2.3:a:mattermost:mattermost_server:9.11.9