JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows any authenticated user to publish templated system announcements via POST /sys/api/sendBusTemplateAnnouncement. Low-privileged attackers can supply templateCode, toUser, and a forged fromUser to send notifications to arbitrary users through WebSocket, DingTalk, WeCom, Feishu and UniPush channels.
Published: 2026-10-11
Updated: 2026-10-11
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
Severity: Medium
Base Score: 4.3
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Severity: Medium