Mattermost Confluence Plugin version <1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint.
{
"cwe_ids": [
"CWE-306"
],
"cna_assigner": "Mattermost",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/44xxx/CVE-2025-44004.json"
}{
"cpe": "cpe:2.3:a:mattermost:confluence:*:*:*:*:*:mattermost:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0"
}
],
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
]
}