CVE-2026-108654 JeecgBoot through 3.9.5 Missing Authorization via /sys/oss/file/queryById
Low-privileged users can read other users' file metadata and URLs via an unauthenticated endpoint in JeecgBoot.
- 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-2026-108654?
CVE-2026-108654 is a medium-severity missing authorization vulnerability in JeecgBoot, published on 10 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 OssFileController queryById handler that allows low-privileged authenticated users to read object storage file records. Attackers who know a record id can request GET /sys/oss/file/queryById to obtain original file names and direct storage URLs of files uploaded by other users.
Weakness: CWE-862
Which versions are affected by CVE-2026-108654?
How do I fix CVE-2026-108654?
No fix has been published for CVE-2026-108654 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-2026-108654 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108654 exists.
Sources
Also known as GHSA-8fjj-r8xp-gq8v.