CVE-2025-63721

High · 8.8

CVSS

8.8

EPSS

0.5%

Published

Dec 8, 2025

CISA due date

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The record

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.

Affected packages

Ecosystem	Package	Introduced	Fixed