MEDIUM 5.3 NVD
CVE-2026-108869
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to send system announcements by calling PO
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.
References
- https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e
- https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg
- https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-11 via NVD.
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