CVE-2026-45119 | MyBB up to 1.8.39 UTF-8 Conversion system_health.php table privileges management

August 18, 2026 Yanac

A vulnerability was found in MyBB up to 1.8.39. It has been classified as problematic. This affects an unknown function of the file admin/modules/tools/system_health.php of the component UTF-8 Conversion. This manipulation of the argument table causes improper privilege management.

This vulnerability is registered as CVE-2026-45119. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More