H2O-3 JDBC Deserialization Vulnerability (CVE-2025-6544)

Overview Recently, NSFOCUS CERT detected that H2O-3 released a security update to fix the H2O-3 JDBC deserialization vulnerability (CVE-2025-6544); This vulnerability is a bypass of CVE-2025-6507. Due to the system’s flawed handling of JDBC connection parameters, an unauthenticated attacker can bypass existing regular expression checks through double URL encoding, thereby enabling arbitrary file reading and […]

The post H2O-3 JDBC Deserialization Vulnerability (CVE-2025-6544) appeared first on NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks..

The post H2O-3 JDBC Deserialization Vulnerability (CVE-2025-6544) appeared first on Security Boulevard.