CVE-2026-108869
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductJeecgBoot
PublishedOct 11, 2026
First seenOct 11, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jeecgboot JeecgBoot | v ≤ 3.9.5 | — |
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