Log4j 2.18. 0 Download [updated] 〈2026 Update〉

: Download pre-built binaries (JARs) and source code for version 2.18.0 from the Apache Archive Distribution Directory .

: Non-recursive lookups were introduced for all Lookups except those explicitly defined as properties in the configuration file, further tightening security against injection attacks. Security Considerations log4j 2.18. 0 download

: While version 2.18.0 itself fixed primary RCE issues, subsequent versions have addressed more nuanced bugs, such as improper validation of certificates in the SocketAppender (mitigated in versions 2.25.3 or higher). : Download pre-built binaries (JARs) and source code