redhat/johnzon-mapper vulnerabilities

Latest redhat/johnzon-mapper CVEs

Newest publication first

1. CVE-2026-71253 Apache Johnzon: ClassConverter loads & static-initializes an attacker-named class from untrusted JSON

   Published 2026-10-19

   Critical·CVSS 9.8 EPSS 0.38%

   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 recomme...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.