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Product · Apache Software Foundation

Apache Johnzon

2 known vulnerabilities.

Apache Johnzon at a glance

Last 12 months
1
Critical · all time
1
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 1 1 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 1 vulnerability, 1 critical November 2026: 0 vulnerabilities
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All Critical High Medium Low Exploited only Public exploit

2 results · Feed

  • Critical 9.8
    CVE-2026-71253

    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…

    Apache Software Foundation Apache Johnzon
  • Medium 5.3
    CVE-2023-33008

    Apache Johnzon: Prevent inefficient internal conversion from BigDecimal at large scale

    Deserialization of Untrusted Data vulnerability in Apache Software Foundation Apache Johnzon. A malicious attacker can craft up some JSON input that uses large numbers (numbers such as 1e20000000) that Apache Johnzon will deserialize into BigDecimal and maybe…

    Apache Software Foundation Apache Johnzon org.apache.johnzon:johnzon-mapper Maven