HummerRisk thru v1.5.0 is using a vulnerable Snakeyaml component, allowing attackers with normal user privileges to hit the /rule/add API and thereby achieve RCE and take over the server.
{ "versions": [ { "introduced": "0" }, { "last_affected": "1.5.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-63721.json"