Apache Log4net Vulnerabilities

Apache Apache Log4net vulnerabilities.

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10 April 2026

XML Layout Vulnerability in Apache Log4net Affects Logging Functionality
CVE-2026-40021
ApacheApache Log4net6.3MEDIUM

11 May 2020

XXE Vulnerability in Apache log4net Affecting Multiple Versions
CVE-2018-1285
ApacheApache Log4net👾🟡EPSS 49%9.8CRITICAL