{"id":"CVE-2025-63721","title":"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.","summary":"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.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"vendor":"hummerrisk","product":"hummerrisk","affected":["hummerrisk <= 1.5.0"],"published":"2025-12-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T20:10:00.197","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-63721","references":[{"url":"https://gist.github.com/k1ng0fic3/e8c8c9353fff8fa95e2c2952587e9266","label":"cve@mitre.org"},{"url":"https://github.com/k1ng0fic3/secrisk/blob/main/README.md","label":"cve@mitre.org"},{"url":"https://gist.github.com/k1ng0fic3/e8c8c9353fff8fa95e2c2952587e9266","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/k1ng0fic3/secrisk/blob/main/README.md","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00492,"epssPercentile":0.4207,"ingestedAt":"2026-10-27T18:12:09.306Z","slug":"CVE-2025-63721","body":"## Overview\n\nHummerRisk 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.\n\n## Affected\n\n- `hummerrisk <= 1.5.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}