Vulnerability Details CVE-2025-41423
Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 7.6%
CVSS Severity
CVSS v3 Score 3.1
References
Products affected by CVE-2025-41423
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cpe:2.3:a:mattermost:mattermost_server:10.4.0
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cpe:2.3:a:mattermost:mattermost_server:10.4.1
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cpe:2.3:a:mattermost:mattermost_server:10.4.2
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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: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:9.11.2
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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