Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the "Allow users to view archived channels" is disabled which allows a user to export channel contents when they shouldn't have access to it
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/24xxx/CVE-2025-24526.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "10.1.0"
},
{
"last_affected": "10.1.3"
},
{
"introduced": "10.4.0"
},
{
"last_affected": "10.4.1"
},
{
"introduced": "9.11.0"
},
{
"last_affected": "9.11.7"
},
{
"introduced": "10.3.0"
},
{
"last_affected": "10.3.2"
},
{
"introduced": "10.2.0"
},
{
"last_affected": "10.2.2"
}
],
"source": "AFFECTED_FIELD"
}
],
"cwe_ids": [
"CWE-863"
],
"cna_assigner": "Mattermost"
}{
"extracted_events": [
{
"introduced": "9.11.0"
},
{
"fixed": "9.11.8"
},
{
"introduced": "10.1.0"
},
{
"fixed": "10.1.4"
},
{
"introduced": "10.2.0"
},
{
"fixed": "10.2.3"
},
{
"introduced": "10.3.0"
},
{
"fixed": "10.3.3"
},
{
"introduced": "10.4.0"
},
{
"fixed": "10.4.2"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*"
}