# CVE-2026-108641

## Summary

- **CVE ID:** CVE-2026-108641
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-639
- **Published:** Oct 10, 2026
- **Last Modified:** Oct 10, 2026

## Description

JeecgBoot through 3.9.5 contains an insecure direct object reference vulnerability that allows authenticated users to read other users' in-application messages via the getOne handler of SysAnnouncementSendController. Attackers can obtain delivery record ids from the unguarded /sys/sysAnnouncementSend/list endpoint and supply them as the sendId parameter to retrieve message titles, bodies, senders and recipients.

## Affected Products

- jeecgboot — JeecgBoot (0)

## References

- [CNA](https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_announcement_send_get_one.py)
- [CNA](https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysAnnouncementSendController.java#L272-L276)
- [CNA](https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-idor-via-sys-sysannouncementsend-getone)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-10-11._