CVE-2025-27933

Unauthorized Private-to-Public Channel Conversion

CVSS 5.4 MEDIUMEPSS 0.2%CWE-863

Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Produtos afetados

Mattermost · Mattermost

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Referências

https://mattermost.com/security-updates