CVE-2026-108626 [MEDIUM] – JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysMessageCo

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysMessageController queryById handler that allows low-privileged authenticated users to read any message push record. Attackers can supply arbitrary record ids to GET /sys/message/sysMessage/queryById to disclose message content and receiver addresses of other users.