CVE-2026-9581 JeecgBoot add access control
Remote attackers can bypass access controls to modify comments in JeecgBoot due to missing authorization checks on the comment addition endpoint.
- 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-2026-9581?
CVE-2026-9581 is a medium-severity missing authorization vulnerability in JeecgBoot, published on 26 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in JeecgBoot up to 3.9.1. The impacted element is an unknown function of the file /sys/comment/add. Such manipulation leads to improper access controls. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version 3.9.2 is sufficient to resolve this issue. Upgrading the affected component is recommended.
Which versions are affected by CVE-2026-9581?
How do I fix CVE-2026-9581?
No fix has been published for CVE-2026-9581 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-2026-9581 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9581 exists.
Sources
Also known as GHSA-27f4-gxm8-q49q.