CVE-2026-108887 [MEDIUM] – JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysCommentCo

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysCommentController exportXls handler that allows any authenticated user to export all comments. Low-privileged attackers can request /sys/comment/exportXls to download every sys_comment row, including comment text and user ids on records they cannot access.