Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState
{
"unresolved_ranges": [
{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"introduced": "10.11.0"
},
{
"last_affected": "10.11.1"
},
{
"introduced": "10.10.0"
},
{
"last_affected": "10.10.2"
},
{
"introduced": "10.5.0"
},
{
"last_affected": "10.5.10"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/58xxx/CVE-2025-58075.json",
"cna_assigner": "Mattermost",
"cwe_ids": [
"CWE-862"
]
}{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "10.5.0"
},
{
"fixed": "10.5.11"
},
{
"introduced": "10.10.0"
},
{
"fixed": "10.10.3"
},
{
"introduced": "10.11.0"
},
{
"fixed": "10.11.3"
}
]
}