Auth bypass in Jeecgboot

CVE-2026-108883

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the editThirdAppConfig handler that allows any authenticated user to modify third-party application configurations. Low-privileged attackers can replace client id, client secret, agent id and corp id of DingTalk, WeCom or Feishu integrations to redirect directory synchronisation and messaging to attacker-controlled applications or break them.

Vulnerability class: Broken Access Control

Published .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-108883?
CVE-2026-108883 is a medium-severity vulnerability in Jeecgboot, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-11.
How severe is CVE-2026-108883?
Medium severity. CVSS v3 base score is 6.5 out of 10.