Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to update channel subscription endpoint with an invalid request body.
{
"cna_assigner": "Mattermost",
"cwe_ids": [
"CWE-754"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52931.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.5.0"
}
],
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
],
"cpe": "cpe:2.3:a:mattermost:confluence:*:*:*:*:*:mattermost:*:*"
}