CVE-2026-108883 JeecgBoot through 3.9.5 Missing Authorization via /sys/thirdApp/editThirdAppConfig
Low-privileged users can modify third-party integration settings in JeecgBoot, potentially redirecting data synchronization to attacker-controlled applications.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108883?
CVE-2026-108883 is a high-severity missing authorization vulnerability in JeecgBoot, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2026-108883?
How do I fix CVE-2026-108883?
No fix has been published for CVE-2026-108883 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-108883 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108883 exists.
Sources
Also known as GHSA-cc33-2w5g-wpvx.