CVE Catalog

CVE-2026-108869

MediumCVSS 4.3
Published: Translated: NVD NIST

Summary

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to send system announcements via 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.

Risk Assessment

Forged announcements can be distributed on behalf of other users, enabling phishing, disinformation or social engineering attacks against the organization's staff.

Recommendation

Upgrade JeecgBoot to a patched version or add authorization checks to the sendSysAnnouncement endpoint, restricting announcement sending to privileged roles.

Other vulnerabilities in JeecgBoot

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Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS