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Recherche « Mattermost legal hold »

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  1. CVE-2026-6957 4.9 Moyenne

    Mattermost · Mattermost legal hold

    Mattermost Plugins versions <=1.1.5 fail to sanitize filenames received from federated peers before using them to construct export destination paths, which allows an administrator of a remote federated Mattermost server to write files to arbitrary locations within the target server's filestore via a malicious filename delivered through the shared-channel attachment sync protocol. Mattermost Advisory ID: MMSA-2026-00659