CVE Intelligence

Apache Software Foundation Apache Johnzon vulnerabilities

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Published CVEs affecting Apache Software Foundation Apache Johnzon: 1 record(s), with affected versions and fixes.

CVE-2026-71253 Critical · 9.8 CWE-470 Oct 19, 2026
Apache Johnzon: ClassConverter loads & static-initializes an attacker-named class from untrusted JSON
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to version 1.3.1 (javax namespace) or 2.2.0 (jakarta specification namespace), which fixes the issue.