CVE-2026-108869CWE-862broken-access-control

CVE-2026-108869

Medium · published October 11, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
10.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
5.3 · 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
EPSS
0.00206 · 10.1th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-11T19:16Z
References (3)
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_api_send_sys_announcement.py · [email protected]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 · [email protected]https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-api-sendsysannouncement · [email protected]
EPSS history
Timeline
  • 13 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 11 OCT 14:33Z
    JeecgBoot through 3.9.5 Missing Authorization via /sys/api/sendSysAnnouncement
    cvelistv5
  • 11 OCT 14:33Z
    JeecgBoot through 3.9.5 Missing Authorization via /sys/api/sendSysAnnouncement
    cvelistv5