CVE-2026-108680

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows any authenticated user to send template notifications by calling POST /sys/api/sendTemplateAnnouncement. Low-privileged attackers can supply forged sender, recipients, title, and template parameters to deliver messages appearing to come from admin or system accounts.

Score

CVSS 4.0 5.3 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-10-10

Last modified

2026-10-14

Weaknesses

CWE-862

Affected products

• Jeecg Boot (Jeecg)

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_api_crede…
• https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jee…
• https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-api-sendtemplateannouncement