Logback 1.5.37
2026-06-26 Release of logback version 1.5.37
• Given the numerous vulnerabilities related to conditional configuration processing based on the evaluation of Java expressions using the Janino library, support for such expressions has been removed. Users are offered the an online migration service or the element introduced in version 1.5.20. See the relevant documentation for more details.
• A bitwise identical binary of this version can be reproduced by building from source code at commit c1df7f522e648eec7b4ef6a12c8758fec0f00048 associated with the tag v_1.5.37. Release built using Java "21" 2023-10-17 LTS build 21.0.1.+12-LTS-29 under Linux Debian 11.6.
Logback 1.5.36
2026-06-25 Release of logback version 1.5.36
• The 'condition' attribute in <if> elements now reject certain references that are associated with ACE attacks. This issue was reported by "yulate" (yulate531@gmail.com.com) and registered as CVE-2026-13006.
• A bitwise identical binary of this version can be reproduced by building from source code at commit 9b94c37562bf25a6a944146701d42ee6c4eee888 associated with the tag v_1.5.36. Release built using Java "21" 2023-10-17 LTS build 21.0.1.+12-LTS-29 under Linux Debian 11.6.