Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to check if a file has been deleted when creating a bookmark which allows an attacker who knows the IDs of deleted files to obtain metadata of the files via bookmark creation.
{
"severity": "LOW",
"github_reviewed": true,
"nvd_published_at": "2025-04-14T15:15:24Z",
"github_reviewed_at": "2025-04-14T21:55:16Z",
"cwe_ids": [
"CWE-863"
]
}