CVE-2026-108618

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to modify message templates via PUT /sys/message/sysMessageTemplate/edit. Attackers can obtain template ids from the unguarded list endpoint and overwrite system notification titles and content, delivering attacker-supplied text or links to other users.

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_c093_messagetemplate_edit.py
• https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/message/controller/SysMessageTemplateController.java#L94-L98
• https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sysmessagetemplate-edit-endpoint