CVE-2026-108676 JeecgBoot through 3.9.5 Missing Authorization via /sys/annountCement/downLoadFiles
Low-privileged users can download unauthorized announcement attachments by supplying a known announcement ID 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-2026-108676?
CVE-2026-108676 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 SysAnnouncementController downLoadFiles handler that allows low-privileged authenticated users to download announcement attachments. Attackers can supply a known announcement id to retrieve a ZIP of attachments from unreleased announcements or those addressed only to other users.
Weakness: CWE-862
Which versions are affected by CVE-2026-108676?
How do I fix CVE-2026-108676?
No fix has been published for CVE-2026-108676 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-2026-108676 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108676 exists.
Sources
Also known as GHSA-hmx7-v3mc-j73j.