Medium severity4.3NVD Advisory· Published Oct 11, 2026
CVE-2026-108869
CVE-2026-108869
Description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to send system announcements by calling POST /sys/api/sendSysAnnouncement. Attackers can supply arbitrary title, content, fromUser and toUser values to deliver forged announcements to any users via WebSocket, WeCom, DingTalk and Feishu.
Affected products
1Patches
Vulnerability mechanics
References
3- github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_api_send_sys_announcement.pynvd
- github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/api/controller/SystemApiController.javanvd
- www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-api-sendsysannouncementnvd
News mentions
0No linked articles in our index yet.