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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Sun, 11 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
First Time appeared Jeecg jeecg-boot
Vendors & Products Jeecg jeecg-boot

Sun, 11 Oct 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Title JeecgBoot through 3.9.5 Missing Authorization via /sys/api/sendSysAnnouncement
First Time appeared Jeecg
Jeecg jeecg Boot
Weaknesses CWE-862
CPEs cpe:2.3:a:jeecg:jeecg_boot:*:*:*:*:*:*:*:*
Vendors & Products Jeecg
Jeecg jeecg Boot
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-11T14:33:33.998Z

Reserved: 2026-10-11T13:33:23.346Z

Link: CVE-2026-108869

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-11T15:16:53.510

Modified: 2026-10-11T15:16:53.510

Link: CVE-2026-108869

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T18:45:18Z

Weaknesses