CVE-2026-108618 JeecgBoot through 3.9.5 Missing Authorization via sysMessageTemplate Edit Endpoint
Low-privileged users can modify system message templates, allowing attackers to inject malicious content into notifications sent to other users.
- 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-2026-108618?
CVE-2026-108618 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 that allows low-privileged authenticated users to modify message templates via PUT /sys/message/sysMessageTemplate/edit. Attackers can obtain template ids from the unguarded list endpoint and overwrite system notification titles and content, delivering attacker-supplied text or links to other users.
Weakness: CWE-862
Which versions are affected by CVE-2026-108618?
How do I fix CVE-2026-108618?
No fix has been published for CVE-2026-108618 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-2026-108618 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108618 exists.
Sources
Also known as GHSA-62h4-2q5j-hw9m.