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Product · Apache Software Foundation

Apache Log4j API

1 known vulnerabilities.

Apache Log4j API at a glance

Last 12 months
1
Critical · all time
0
Exploited · all time
0
Public exploit · all time
1
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: 1 vulnerability August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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Most common weaknesses

All Critical High Medium Low Exploited only Public exploit

1 result · Feed

  • Medium 6.3
    CVE-2026-49844 Public exploit

    Apache Log4j API: Improper serialization of non-finite floating-point values in MapMessage.asJson()

    Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. This issue affects Apache Log4j API versions 2.13.1 through 2.25.4 and version 2.26.0. The fix for CVE-2026-…

    Apache Software Foundation Apache Log4j API apache-log4j2 apache-log4j2 Debian Ubuntu Maven