What is GHSA-4qg9-8c9f-qcv4?

GHSA-4qg9-8c9f-qcv4 is a security advisory published by GitHub Security Advisories with Medium severity. JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged...

Which CVE IDs does GHSA-4qg9-8c9f-qcv4 cover?

GHSA-4qg9-8c9f-qcv4 covers the following CVE IDs: CVE-2026-108869. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4qg9-8c9f-qcv4?

GHSA-4qg9-8c9f-qcv4 has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-4qg9-8c9f-qcv4MediumCVSS 4.3

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged...

Vendor

GitHub Security Advisories

Published

October 11, 2026

Last Modified

October 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-108869 →

📋 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.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-108869
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_api_send_sys_announcement.py
https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/api/controller/SystemApiController.java#L45-L48
https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-api-sendsysannouncement
https://github.com/advisories/GHSA-4qg9-8c9f-qcv4